[][MAC80211][WiFi6][mt76][Support spatial reuse debug commands]

[Description]
Add 3 new spatial reuse feature debug commands.
1. sr_enable: enable/disable spatial reuse
2. sr_scene_cond: check spatial resue scene detection algorithm result
3. sr_stats: check spatial resue tx statistics

[Release-log]
N/A

Change-Id: I85bd591340965ff1396c717cab253b125f5f80d1
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8619413
1 file changed