[][MAC80211][remove Makefile patch]

[Description]
Fix patch fail. This patch will be moved to specific autobuild folder to
prevent it from applying to all 21.02 autobuild which causes patch fail.
Since mt76 package Makefile on 21.02 is different from trunk.

[Release-log]
N/A

Change-Id: If3c862f91786e650a3025a698a1ba9ebf55d6b1b
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5783767
1 file changed