[][OpenWrt Dev][Add mmc0 node to IAP board]

[Description]
Add mmc0 node to IAP board

[Release-log]
N/A

Change-Id: Ia49859a08d05ee8f01d819ac887b52c7ef3b47e0
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4586296
2 files changed