mediatek: switch to fitblk for cmcc rax3000m

Use the new fitblk driver.

Tested-by: Yangyu Chen <cyy@cyyself.name>
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

package/boot/uboot-envtools/files/mediatek_filogic

@@ -40,6 +40,7 @@ bananapi,bpi-r3|\
 bananapi,bpi-r3-mini|\
 bananapi,bpi-r4|\
 bananapi,bpi-r4-poe|\
+cmcc,rax3000m|\
 jdcloud,re-cp-03)
 	. /lib/upgrade/fit.sh
 	export_fitblk_bootdev
@@ -56,16 +57,6 @@ jdcloud,re-cp-03)
 		;;
 	esac
 	;;
-cmcc,rax3000m)
-	case "$(cmdline_get_var root)" in
-	/dev/mmc*)
-		ubootenv_add_mmc_default
-		;;
-	*)
-		ubootenv_add_ubi_default
-		;;
-	esac
-	;;
 comfast,cf-e393ax)
 	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x20000" "0x80000"
 	;;

package/boot/uboot-mediatek/patches/437-add-cmcc_rax3000m.patch

@@ -485,7 +485,7 @@
 +serverip=192.168.1.254
 +loadaddr=0x46000000
 +console=earlycon=uart8250,mmio32,0x11002000 console=ttyS0
-+bootargs=root=/dev/mmcblk0p65
++bootargs=root=/dev/fit0 rootwait
 +bootcmd=if pstore check ; then run boot_recovery ; else run boot_emmc ; fi
 +bootconf=config-1#mt7981b-cmcc-rax3000m-emmc
 +bootdelay=0