platform_init: use labels defined by distro options

packages/sysutils/busybox/package.mk

@@ -218,6 +218,9 @@ makeinstall_init() {
 
   if find_file_path initramfs/platform_init; then
     cp ${FOUND_PATH} $INSTALL
+    sed -e "s/@BOOT_LABEL@/$DISTRO_FAT_VOLUME_LABEL/g" \
+        -e "s/@DISK_LABEL@/$DISTRO_STORAGE_VOLUME_LABEL/g" \
+        -i $INSTALL/platform_init
     chmod 755 $INSTALL/platform_init
   fi
 

projects/Amlogic/initramfs/platform_init

@@ -44,7 +44,7 @@ done
 if [ -z "$BOOT_IMAGE" -o -z "$boot" -o -z "$disk" ]; then
   cmdline=$(cat /proc/cmdline)
   if [ -n "$bootfromext" ]; then
-    cmdline="$cmdline BOOT_IMAGE=kernel.img boot=LABEL=LIBREELEC disk=LABEL=STORAGE"
+    cmdline="$cmdline BOOT_IMAGE=kernel.img boot=LABEL=@BOOT_LABEL@ disk=LABEL=@DISK_LABEL@"
   else
     cmdline="$cmdline BOOT_IMAGE=/dev/boot boot=/dev/system disk=/dev/data"
   fi