[][MAC80211][mt76][Refactor mt76 internal patches]

[Description]
Refactor internal patches to fix patch failed.

[Release-log]
N/A

Change-Id: I85b6e531f13944c576a939596d3431c6d27e963a
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7087554
62 files changed