rpi: rpi-u-boot-scr=webosrpi6

:Release Notes:
change rootfs mount option to do not load journal of ext4 file system.

:Detailed Notes:
rpi-u-boot-scr: webosrpi5..webosrpi6
change rootfs mount option because prevent to changing of rootfs
partition. journal of ext4 file system is not needed in read only
partition.

:Testing Performed:
build and runtime tested.
See the CCC ticket

:QA Notes:
N/A

:Issues Addressed:
[WRP-14794] CCC: rpi-u-boot-scr=webosrpi6
[WRP-14800] rootfs data partition changed while mounted

Cherry-picked-from-commit: a7e4a84
Cherry-picked-from-branch:

meta-webos-raspberrypi/recipes-bsp/rpi-u-boot-scr/files/uEnv.txt.in

@@ -10,7 +10,7 @@ bootcmd_check_upgrade=if itest.b $now_on_upgrade -eq 1; then if itest.b $boot_tr
 
 # =========== BEGIN: rootfs as SDCARD =========== #
 ## Warn: If you want to use nfs, please comment out this block
-bootcmd_args=setenv bootargs "$bootargs $bootargs_fdt root=/dev/mmcblk0p$active_part_id ro"
+bootcmd_args=setenv bootargs "$bootargs $bootargs_fdt root=/dev/mmcblk0p$active_part_id ro rootflags=noload"
 bootcmd_load=load mmc 0:$active_part_id $kernel_addr_r /boot/@@KERNEL_IMAGETYPE@@
 # =========== END: rootfs as SDCARD ============= #
 

meta-webos-raspberrypi/recipes-bsp/rpi-u-boot-scr/rpi-u-boot-scr.bbappend

@@ -1,6 +1,6 @@
 # Copyright (c) 2019-2023 LG Electronics, Inc.
 
-EXTENDPRAUTO:append = "webosrpi5"
+EXTENDPRAUTO:append = "webosrpi6"
 EXTENDPRAUTO:append:sota = ".sota"
 
 FILESEXTRAPATHS:prepend := "${THISDIR}/files:"