distro: organize options

This breaks up the LibreELEC distro options file into categories:

Distro Information - Information about what the distro is called / does

User Interface - Settings that affect how the user will interact with the device
	(passwords, greetings, name of partitions)

Buildsystem Settings - Options affecting the distro toolchain

OS Configuration - Options about the base OS, regardless of distro purpose

Kodi Settings - All the various knobs for configuring Kodi

Addon Settings - Distro addon repo and settings addon

Additional Programs / Functions - Programs or Support features to complement the
	distro's purpose

Signed-off-by: Ian Leonard <antonlacon@gmail.com>

distributions/LibreELEC/options

@@ -1,11 +1,4 @@
-# LTO (Link Time Optimization) support
+### DISTRO INFORMATION ###
-  LTO_SUPPORT="yes"
-
-# GOLD (Google Linker) support
-  GOLD_SUPPORT="yes"
-
-# HARDENING (security relevant linker and compiler flags) support
-  HARDENING_SUPPORT="no"
 
 # Name of the Distro to build (full name, without special characters)
   DISTRONAME="LibreELEC"
@@ -13,6 +6,9 @@
 # short project description
   DESCRIPTION="LibreELEC is a fast and user-friendly Kodi Entertainment Center distribution."
 
+
+### USER INTERFACE SETTINGS ###
+
 # Welcome Message for e.g. SSH Server (up to 5 Lines)
   GREETING0="##############################################"
   GREETING1="#                 LibreELEC                  #"
@@ -23,9 +19,57 @@
 # Root password to integrate in the target system
   ROOT_PASSWORD="libreelec"
 
+# Partition labels for USB/SD installation media
+  DISTRO_BOOTLABEL="LIBREELEC"
+  DISTRO_DISKLABEL="STORAGE"
+
+
+### BUILDSYSTEM SETTINGS ####
+
+# LTO (Link Time Optimization) support
+  LTO_SUPPORT="yes"
+
+# GOLD (Google Linker) support
+  GOLD_SUPPORT="yes"
+
+# HARDENING (security relevant linker and compiler flags) support
+  HARDENING_SUPPORT="no"
+
+# Default supported get handlers (archive, git, file etc.)
+  GET_HANDLER_SUPPORT="archive"
+
+
+### OS CONFIGURATION ###
+
 # Install glibc locales to the build (yes / no)
   GLIBC_LOCALES="yes"
 
+# additional drivers to install:
+# for a list of additional drivers see packages/linux-drivers
+# Space separated list is supported,
+# e.g. ADDITIONAL_DRIVERS="DRIVER1 DRIVER2"
+  ADDITIONAL_DRIVERS="RTL8192CU RTL8192DU RTL8192EU RTL8188EU RTL8812AU"
+
+# Default size of system partition, in MB, eg. 512
+  SYSTEM_SIZE=512
+
+# Default system partition offset, in sectors, eg. 2048
+  SYSTEM_PART_START=8192
+
+# build with swap support (yes / no)
+  SWAP_SUPPORT="yes"
+
+# swap support enabled per default (yes / no)
+  SWAP_ENABLED_DEFAULT="no"
+
+# swapfile size if SWAP_SUPPORT=yes in MB
+  SWAPFILESIZE="128"
+
+# debug tty path
+  DEBUG_TTY="/dev/tty3"
+
+
+### KODI SETTINGS ###
 # Mediacenter to use (kodi / no)
   MEDIACENTER="kodi"
 
@@ -64,12 +108,6 @@
 # (DVD decryption support in KODI) (yes / no)
   KODI_DVDCSS_SUPPORT="yes"
 
-# additional drivers to install:
-# for a list of additional drivers see packages/linux-drivers
-# Space separated list is supported,
-# e.g. ADDITIONAL_DRIVERS="DRIVER1 DRIVER2"
-  ADDITIONAL_DRIVERS="RTL8192CU RTL8192DU RTL8192EU RTL8188EU RTL8812AU"
-
 # build and install bluetooth support (yes / no)
   BLUETOOTH_SUPPORT="yes"
 
@@ -100,6 +138,40 @@
 # build with Samba Client support (mounting SAMBA shares with KODI) (yes / no)
   KODI_SAMBA_SUPPORT="yes"
 
+
+### KODI ADDONS ###
+
+# Distribution Specific source location
+  DISTRO_MIRROR="http://sources.libreelec.tv/mirror"
+  DISTRO_SRC="http://sources.libreelec.tv/$LIBREELEC_VERSION"
+
+# Addon Server Url
+  ADDON_SERVER_URL="https://addons.libreelec.tv"
+
+# set the default addon project
+  ADDON_PROJECT="${DEVICE:-$PROJECT}"
+
+# Settings package name - blank if not required
+  DISTRO_PKG_SETTINGS="LibreELEC-settings"
+  DISTRO_PKG_SETTINGS_ID="service.libreelec.settings"
+
+
+### ADDITIONAL PROGRAMS / FUNCTIONS ###
+
+# Testpackages for development (yes / no)
+  TESTING="no"
+
+# Configure debug groups (space delimited key=value pairs, with each value comma-delimited) and default group when DEBUG=yes
+# Use ! or - prefix to prevent a dependent package from being built with debug. Add + suffix to build dependenencies with debug.
+  DEBUG_GROUPS="kodi+=kodi+,kodi-platform+,p8-platform+,!mesa"
+  DEBUG_GROUP_YES="kodi+"
+
+# wireless daemon to use (wpa_supplicant/iwd)
+  WIRELESS_DAEMON="wpa_supplicant"
+
+# build and install iSCSI support - iscsistart (yes / no)
+  ISCSI_SUPPORT="yes"
+
 # build with NFS support (mounting nfs shares via the OS) (yes / no)
   NFS_SUPPORT="yes"
 
@@ -123,6 +195,10 @@
 # mediacenter also automount internally drives at boottime via udev (yes / no)
   UDEVIL="yes"
 
+# Support for partitioning and formating disks in initramfs (yes / no)
+# This adds support for parted and mkfs.ext3/4 to initramfs for OEM usage
+  INITRAMFS_PARTED_SUPPORT="no"
+
 # build and install exFAT fuse support (yes / no)
   EXFAT="yes"
 
@@ -132,6 +208,15 @@
 # build and install hfs filesystem utilities (yes / no)
   HFSTOOLS="yes"
 
+# build and install nano text editor (yes / no)
+  NANO_EDITOR="yes"
+
+# cron support (yes / no)
+  CRON_SUPPORT="yes"
+
+# build with installer (yes / no)
+  INSTALLER_SUPPORT="yes"
+
 # Windowmanager to use (fluxbox / none)
   WINDOWMANAGER="fluxbox"
 
@@ -143,6 +228,9 @@
 # build and install remote support (yes / no)
   REMOTE_SUPPORT="yes"
 
+# IR remote keymaps supported in default config
+  IR_REMOTE_KEYMAPS="rc6_mce xbox_360 xbox_one"
+
 # build and install Joystick support (yes / no)
   JOYSTICK_SUPPORT="yes"
 
@@ -152,78 +240,10 @@
 # build and install CEC framework support (yes / no)
   CEC_FRAMEWORK_SUPPORT="no"
 
-# build and install iSCSI support - iscsistart (yes / no)
+# OEM packages for OEM's (yes / no)
-  ISCSI_SUPPORT="yes"
+  OEM_SUPPORT="no"
-
-# Support for partitioning and formating disks in initramfs (yes / no)
-# This adds support for parted and mkfs.ext3/4 to initramfs for OEM usage
-  INITRAMFS_PARTED_SUPPORT="no"
-
-# build with swap support (yes / no)
-  SWAP_SUPPORT="yes"
-
-# swap support enabled per default (yes / no)
-  SWAP_ENABLED_DEFAULT="no"
-
-# swapfile size if SWAP_SUPPORT=yes in MB
-  SWAPFILESIZE="128"
 
 # additional packages to install:
 # Space separated list is supported,
 # e.g. ADDITIONAL_PACKAGES="PACKAGE1 PACKAGE2"
   ADDITIONAL_PACKAGES=""
-
-# build with installer (yes / no)
-  INSTALLER_SUPPORT="yes"
-
-# Testpackages for development (yes / no)
-  TESTING="no"
-
-# OEM packages for OEM's (yes / no)
-  OEM_SUPPORT="no"
-
-# build and install nano text editor (yes / no)
-  NANO_EDITOR="yes"
-
-# cron support (yes / no)
-  CRON_SUPPORT="yes"
-
-# Distribution Specific source location
-  DISTRO_MIRROR="http://sources.libreelec.tv/mirror"
-  DISTRO_SRC="http://sources.libreelec.tv/$LIBREELEC_VERSION"
-
-# Addon Server Url
-  ADDON_SERVER_URL="https://addons.libreelec.tv"
-
-# set the default addon project
-  ADDON_PROJECT="${DEVICE:-$PROJECT}"
-
-# Default size of system partition, in MB, eg. 512
-  SYSTEM_SIZE=512
-# Default system partition offset, in sectors, eg. 2048
-  SYSTEM_PART_START=8192
-
-# Configure debug groups (space delimited key=value pairs, with each value comma-delimited) and default group when DEBUG=yes
-# Use ! or - prefix to prevent a dependent package from being built with debug. Add + suffix to build dependenencies with debug.
-  DEBUG_GROUPS="kodi+=kodi+,kodi-platform+,p8-platform+,!mesa"
-  DEBUG_GROUP_YES="kodi+"
-
-# Default supported get handlers (archive, git, file etc.)
-  GET_HANDLER_SUPPORT="archive"
-
-# Partition labels for USB/SD installation media
-  DISTRO_BOOTLABEL="LIBREELEC"
-  DISTRO_DISKLABEL="STORAGE"
-
-# Settings package name - blank if not required
-  DISTRO_PKG_SETTINGS="LibreELEC-settings"
-  DISTRO_PKG_SETTINGS_ID="service.libreelec.settings"
-
-# IR remote keymaps supported in default config
-  IR_REMOTE_KEYMAPS="rc6_mce xbox_360 xbox_one"
-
-# debug tty path
-  DEBUG_TTY="/dev/tty3"
-
-# wireless daemon to use (wpa_supplicant/iwd)
-  WIRELESS_DAEMON="wpa_supplicant"