[][MAC80211][mt76][Add ZWDFS testmode support]

[Description]
Add ZWDFS testmode support including background chain channel switch
and show IPI histogram command

[Release-log]
N/A

Change-Id: I0acc2c52abd30f77db4a8c22c8516ad69c13fe11
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6696081
diff --git a/autobuild_mac80211_release/package/kernel/mt76/patches/1117-mt76-airtime-fairness-feature-off-in-mac80211.patch b/autobuild_mac80211_release/package/kernel/mt76/patches/1117-mt76-airtime-fairness-feature-off-in-mac80211.patch
new file mode 100644
index 0000000..ccf6d80
--- /dev/null
+++ b/autobuild_mac80211_release/package/kernel/mt76/patches/1117-mt76-airtime-fairness-feature-off-in-mac80211.patch
@@ -0,0 +1,24 @@
+From c3922c28e124f89f9725781a4065d32207d8eed4 Mon Sep 17 00:00:00 2001
+From: Evelyn Tsai <evelyn.tsai@mediatek.com>
+Date: Fri, 6 May 2022 15:58:42 +0800
+Subject: [PATCH 1117/1128] mt76: airtime fairness feature off in mac80211
+
+---
+ mac80211.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/mac80211.c b/mac80211.c
+index 454f449..b7c1b13 100644
+--- a/mac80211.c
++++ b/mac80211.c
+@@ -429,7 +429,6 @@ mt76_phy_init(struct mt76_phy *phy, struct ieee80211_hw *hw)
+ 			WIPHY_FLAG_AP_UAPSD;
+ 
+ 	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+-	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_AIRTIME_FAIRNESS);
+ 	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_AQL);
+ 
+ 	wiphy->available_antennas_tx = phy->antenna_mask;
+-- 
+2.18.0
+