[][MAC80211][misc][Fix git am issue in WiFi6]

[Description]
Fix git am when create mt76 src folder. It doesn't impact code-level and also not related to build flow.

[Release-log]
N/A

Change-Id: I1884d73797529d68c1e9ae3037de7d8b125b3b58
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/9062247
91 files changed