Update BusyBox configuration (#1053)

* Add find utility helpful to find things

* Add hwclock utility useful to debug RTC issues

* Remove several utilities which are provided by util-linux (such as
  dmesg, mount, blkid etc.)

* Drop unused utilities e.g. for raw nand (nandread/write/ubi)

buildroot-external/busybox.config

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Busybox version: 1.32.0
-# Fri Nov 20 14:15:29 2020
+# Thu Dec  3 13:37:18 2020
 #
 CONFIG_HAVE_DOT_CONFIG=y
 
@@ -441,33 +441,33 @@ CONFIG_FEATURE_VI_UNDO_QUEUE_MAX=256
 #
 # Finding Utilities
 #
-# CONFIG_FIND is not set
+CONFIG_FIND=y
-# CONFIG_FEATURE_FIND_PRINT0 is not set
+CONFIG_FEATURE_FIND_PRINT0=y
-# CONFIG_FEATURE_FIND_MTIME is not set
+CONFIG_FEATURE_FIND_MTIME=y
-# CONFIG_FEATURE_FIND_MMIN is not set
+CONFIG_FEATURE_FIND_MMIN=y
-# CONFIG_FEATURE_FIND_PERM is not set
+CONFIG_FEATURE_FIND_PERM=y
-# CONFIG_FEATURE_FIND_TYPE is not set
+CONFIG_FEATURE_FIND_TYPE=y
-# CONFIG_FEATURE_FIND_EXECUTABLE is not set
+CONFIG_FEATURE_FIND_EXECUTABLE=y
-# CONFIG_FEATURE_FIND_XDEV is not set
+CONFIG_FEATURE_FIND_XDEV=y
-# CONFIG_FEATURE_FIND_MAXDEPTH is not set
+CONFIG_FEATURE_FIND_MAXDEPTH=y
-# CONFIG_FEATURE_FIND_NEWER is not set
+CONFIG_FEATURE_FIND_NEWER=y
-# CONFIG_FEATURE_FIND_INUM is not set
+CONFIG_FEATURE_FIND_INUM=y
-# CONFIG_FEATURE_FIND_EXEC is not set
+CONFIG_FEATURE_FIND_EXEC=y
-# CONFIG_FEATURE_FIND_EXEC_PLUS is not set
+CONFIG_FEATURE_FIND_EXEC_PLUS=y
-# CONFIG_FEATURE_FIND_USER is not set
+CONFIG_FEATURE_FIND_USER=y
-# CONFIG_FEATURE_FIND_GROUP is not set
+CONFIG_FEATURE_FIND_GROUP=y
-# CONFIG_FEATURE_FIND_NOT is not set
+CONFIG_FEATURE_FIND_NOT=y
-# CONFIG_FEATURE_FIND_DEPTH is not set
+CONFIG_FEATURE_FIND_DEPTH=y
-# CONFIG_FEATURE_FIND_PAREN is not set
+CONFIG_FEATURE_FIND_PAREN=y
-# CONFIG_FEATURE_FIND_SIZE is not set
+CONFIG_FEATURE_FIND_SIZE=y
-# CONFIG_FEATURE_FIND_PRUNE is not set
+CONFIG_FEATURE_FIND_PRUNE=y
-# CONFIG_FEATURE_FIND_QUIT is not set
+CONFIG_FEATURE_FIND_QUIT=y
-# CONFIG_FEATURE_FIND_DELETE is not set
+CONFIG_FEATURE_FIND_DELETE=y
-# CONFIG_FEATURE_FIND_EMPTY is not set
+CONFIG_FEATURE_FIND_EMPTY=y
-# CONFIG_FEATURE_FIND_PATH is not set
+CONFIG_FEATURE_FIND_PATH=y
-# CONFIG_FEATURE_FIND_REGEX is not set
+CONFIG_FEATURE_FIND_REGEX=y
 # CONFIG_FEATURE_FIND_CONTEXT is not set
-# CONFIG_FEATURE_FIND_LINKS is not set
+CONFIG_FEATURE_FIND_LINKS=y
 CONFIG_GREP=y
 # CONFIG_EGREP is not set
 # CONFIG_FGREP is not set
@@ -589,13 +589,13 @@ CONFIG_DEFAULT_DEPMOD_FILE=""
 CONFIG_ACPID=y
 CONFIG_FEATURE_ACPID_COMPAT=y
 CONFIG_BLKDISCARD=y
-CONFIG_BLKID=y
+# CONFIG_BLKID is not set
 # CONFIG_FEATURE_BLKID_TYPE is not set
-CONFIG_BLOCKDEV=y
+# CONFIG_BLOCKDEV is not set
 CONFIG_CAL=y
 CONFIG_CHRT=y
-CONFIG_DMESG=y
+# CONFIG_DMESG is not set
-CONFIG_FEATURE_DMESG_PRETTY=y
+# CONFIG_FEATURE_DMESG_PRETTY is not set
 CONFIG_EJECT=y
 CONFIG_FEATURE_EJECT_SCSI=y
 CONFIG_FALLOCATE=y
@@ -613,20 +613,20 @@ CONFIG_FEATURE_FBSET_READMODE=y
 # CONFIG_FEATURE_OSF_LABEL is not set
 # CONFIG_FEATURE_GPT_LABEL is not set
 # CONFIG_FEATURE_FDISK_ADVANCED is not set
-CONFIG_FINDFS=y
+# CONFIG_FINDFS is not set
-CONFIG_FLOCK=y
+# CONFIG_FLOCK is not set
 CONFIG_FDFLUSH=y
 CONFIG_FREERAMDISK=y
-CONFIG_FSCK_MINIX=y
+# CONFIG_FSCK_MINIX is not set
-CONFIG_FSFREEZE=y
+# CONFIG_FSFREEZE is not set
-CONFIG_FSTRIM=y
+# CONFIG_FSTRIM is not set
-CONFIG_GETOPT=y
+# CONFIG_GETOPT is not set
-CONFIG_FEATURE_GETOPT_LONG=y
+# CONFIG_FEATURE_GETOPT_LONG is not set
-CONFIG_HEXDUMP=y
+# CONFIG_HEXDUMP is not set
-CONFIG_FEATURE_HEXDUMP_REVERSE=y
+# CONFIG_FEATURE_HEXDUMP_REVERSE is not set
 # CONFIG_HD is not set
 # CONFIG_XXD is not set
-# CONFIG_HWCLOCK is not set
+CONFIG_HWCLOCK=y
 # CONFIG_FEATURE_HWCLOCK_ADJTIME_FHS is not set
 CONFIG_IONICE=y
 # CONFIG_IPCRM is not set
@@ -655,14 +655,14 @@ CONFIG_LSUSB=y
 # CONFIG_MKSWAP is not set
 # CONFIG_FEATURE_MKSWAP_UUID is not set
 CONFIG_MORE=y
-CONFIG_MOUNT=y
+# CONFIG_MOUNT is not set
-CONFIG_FEATURE_MOUNT_FAKE=y
+# CONFIG_FEATURE_MOUNT_FAKE is not set
-CONFIG_FEATURE_MOUNT_VERBOSE=y
+# CONFIG_FEATURE_MOUNT_VERBOSE is not set
 # CONFIG_FEATURE_MOUNT_HELPERS is not set
-CONFIG_FEATURE_MOUNT_LABEL=y
+# CONFIG_FEATURE_MOUNT_LABEL is not set
 # CONFIG_FEATURE_MOUNT_NFS is not set
 # CONFIG_FEATURE_MOUNT_CIFS is not set
-CONFIG_FEATURE_MOUNT_FLAGS=y
+# CONFIG_FEATURE_MOUNT_FLAGS is not set
 # CONFIG_FEATURE_MOUNT_FSTAB is not set
 # CONFIG_FEATURE_MOUNT_OTHERTAB is not set
 # CONFIG_MOUNTPOINT is not set
@@ -678,62 +678,54 @@ CONFIG_REV=y
 CONFIG_RTCWAKE=y
 CONFIG_SCRIPT=y
 CONFIG_SCRIPTREPLAY=y
-CONFIG_SETARCH=y
+# CONFIG_SETARCH is not set
-CONFIG_LINUX32=y
+# CONFIG_LINUX32 is not set
-CONFIG_LINUX64=y
+# CONFIG_LINUX64 is not set
 CONFIG_SETPRIV=y
 CONFIG_FEATURE_SETPRIV_DUMP=y
 CONFIG_FEATURE_SETPRIV_CAPABILITIES=y
 CONFIG_FEATURE_SETPRIV_CAPABILITY_NAMES=y
 CONFIG_SETSID=y
-CONFIG_SWAPON=y
+# CONFIG_SWAPON is not set
-CONFIG_FEATURE_SWAPON_DISCARD=y
+# CONFIG_FEATURE_SWAPON_DISCARD is not set
-CONFIG_FEATURE_SWAPON_PRI=y
+# CONFIG_FEATURE_SWAPON_PRI is not set
-CONFIG_SWAPOFF=y
+# CONFIG_SWAPOFF is not set
-CONFIG_FEATURE_SWAPONOFF_LABEL=y
+# CONFIG_FEATURE_SWAPONOFF_LABEL is not set
 CONFIG_SWITCH_ROOT=y
 CONFIG_TASKSET=y
 CONFIG_FEATURE_TASKSET_FANCY=y
 CONFIG_FEATURE_TASKSET_CPULIST=y
 CONFIG_UEVENT=y
-CONFIG_UMOUNT=y
+# CONFIG_UMOUNT is not set
-CONFIG_FEATURE_UMOUNT_ALL=y
+# CONFIG_FEATURE_UMOUNT_ALL is not set
 # CONFIG_UNSHARE is not set
 # CONFIG_WALL is not set
-
+# CONFIG_FEATURE_MOUNT_LOOP is not set
-#
-# Common options for mount/umount
-#
-CONFIG_FEATURE_MOUNT_LOOP=y
 # CONFIG_FEATURE_MOUNT_LOOP_CREATE is not set
 # CONFIG_FEATURE_MTAB_SUPPORT is not set
-CONFIG_VOLUMEID=y
+# CONFIG_VOLUMEID is not set
-
-#
-# Filesystem/Volume identification
-#
 # CONFIG_FEATURE_VOLUMEID_BCACHE is not set
 # CONFIG_FEATURE_VOLUMEID_BTRFS is not set
 # CONFIG_FEATURE_VOLUMEID_CRAMFS is not set
 # CONFIG_FEATURE_VOLUMEID_EXFAT is not set
-CONFIG_FEATURE_VOLUMEID_EXT=y
+# CONFIG_FEATURE_VOLUMEID_EXT is not set
 # CONFIG_FEATURE_VOLUMEID_F2FS is not set
-CONFIG_FEATURE_VOLUMEID_FAT=y
+# CONFIG_FEATURE_VOLUMEID_FAT is not set
 # CONFIG_FEATURE_VOLUMEID_HFS is not set
 # CONFIG_FEATURE_VOLUMEID_ISO9660 is not set
 # CONFIG_FEATURE_VOLUMEID_JFS is not set
 # CONFIG_FEATURE_VOLUMEID_LFS is not set
 # CONFIG_FEATURE_VOLUMEID_LINUXRAID is not set
-CONFIG_FEATURE_VOLUMEID_LINUXSWAP=y
+# CONFIG_FEATURE_VOLUMEID_LINUXSWAP is not set
 # CONFIG_FEATURE_VOLUMEID_LUKS is not set
-CONFIG_FEATURE_VOLUMEID_MINIX=y
+# CONFIG_FEATURE_VOLUMEID_MINIX is not set
 # CONFIG_FEATURE_VOLUMEID_NILFS is not set
-CONFIG_FEATURE_VOLUMEID_NTFS=y
+# CONFIG_FEATURE_VOLUMEID_NTFS is not set
 # CONFIG_FEATURE_VOLUMEID_OCFS2 is not set
 # CONFIG_FEATURE_VOLUMEID_REISERFS is not set
 # CONFIG_FEATURE_VOLUMEID_ROMFS is not set
 # CONFIG_FEATURE_VOLUMEID_SQUASHFS is not set
-CONFIG_FEATURE_VOLUMEID_SYSV=y
+# CONFIG_FEATURE_VOLUMEID_SYSV is not set
 # CONFIG_FEATURE_VOLUMEID_UBIFS is not set
 # CONFIG_FEATURE_VOLUMEID_UDF is not set
 # CONFIG_FEATURE_VOLUMEID_XFS is not set
@@ -814,8 +806,8 @@ CONFIG_FEATURE_LESS_MAXLINES=0
 # CONFIG_MICROCOM is not set
 CONFIG_MIM=y
 # CONFIG_MT is not set
-CONFIG_NANDWRITE=y
+# CONFIG_NANDWRITE is not set
-CONFIG_NANDDUMP=y
+# CONFIG_NANDDUMP is not set
 # CONFIG_PARTPROBE is not set
 # CONFIG_RAIDAUTORUN is not set
 # CONFIG_READAHEAD is not set
@@ -828,13 +820,13 @@ CONFIG_STRINGS=y
 CONFIG_TIME=y
 CONFIG_TS=y
 CONFIG_TTYSIZE=y
-CONFIG_UBIATTACH=y
+# CONFIG_UBIATTACH is not set
-CONFIG_UBIDETACH=y
+# CONFIG_UBIDETACH is not set
-CONFIG_UBIMKVOL=y
+# CONFIG_UBIMKVOL is not set
-CONFIG_UBIRMVOL=y
+# CONFIG_UBIRMVOL is not set
-CONFIG_UBIRSVOL=y
+# CONFIG_UBIRSVOL is not set
-CONFIG_UBIUPDATEVOL=y
+# CONFIG_UBIUPDATEVOL is not set
-CONFIG_UBIRENAME=y
+# CONFIG_UBIRENAME is not set
 # CONFIG_VOLNAME is not set
 CONFIG_WATCHDOG=y