[][MAC80211][misc][Add MT7996 external openwrt build]

[Description]
Add EHT support patches
Sync CMP2.0 Firmware (20230118)

[Release-log]
N/A

Change-Id: I57f73587515cae6a1fad40ce8a83f8094af5e08d
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7117487
11 files changed