[][MT76][HW ATF support for mt7986]

[Description]
Add HW ATF support for mt7986

[Release-log]
N/A


Change-Id: I893e96fd892497c93e787a28466b88b9d456da4c
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6754287
1 file changed