[][MAC80211][core][allow non standard VHT MCS 10/11]

[Description]
Add VHT MCS 10/11

[Release-log]
N/A

Change-Id: I8037ae0eb935fe6125116e96ff241d34036b725d
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5732531
1 file changed