[][MAC80211][WiFi6][Misc][Add lpi, duplicate mode and sku index]

[Description]
Add lpi, duplicate mode and sku index config.

[Release-log]
N/A

Change-Id: I0197b55cf7cf69aa5ab3c157e26cd8a2212ddc8d
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8434865
1 file changed