[][OpenWrt Dev][Add support to embed squashfs rootfs hash into kernel fit image]

[Description]
Add support to embed squashfs rootfs hash into kernel fit image

[Release-log]
N/A

Change-Id: Ic917b109ff8cb1f355ed2f954b6cfd49f0f09401
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5605207
2 files changed