[][OpenWrt Dev][Add support for sd/mmc devices to upgrade firmware on specific partitions]

[Description]
Add support for sd/mmc devices to upgrade firmware on specific partitions
specified by kernel cmdline

[Release-log]
N/A

Change-Id: I6348f3a77a3bd5be37c6f60f6a9bf6193e72f095
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5599885
diff --git a/target/linux/mediatek/mt7986/base-files/lib/upgrade/platform.sh b/target/linux/mediatek/mt7986/base-files/lib/upgrade/platform.sh
index 4a1573a..0c66f47 100644
--- a/target/linux/mediatek/mt7986/base-files/lib/upgrade/platform.sh
+++ b/target/linux/mediatek/mt7986/base-files/lib/upgrade/platform.sh
@@ -1,4 +1,5 @@
-RAMFS_COPY_BIN='mkfs.f2fs blkid blockdev'
+RAMFS_COPY_BIN='mkfs.f2fs blkid blockdev fw_printenv fw_setenv'
+RAMFS_COPY_DATA="/etc/fw_env.config /var/lock/fw_printenv.lock"
 
 platform_do_upgrade() {
 	local board=$(board_name)