[rdk-b][common][bsp][Refactor and sync kernel/wifi from Openwrt]

[Description]
Refactor and sync kernel/wifi from Openwrt

[Release-log]
N/A

diff --git a/recipes-kernel/linux-mt76/files/patches/1115-mt76-airtime-fairness-feature-off-in-mac80211.patch b/recipes-kernel/linux-mt76/files/patches/1115-mt76-airtime-fairness-feature-off-in-mac80211.patch
new file mode 100644
index 0000000..b343205
--- /dev/null
+++ b/recipes-kernel/linux-mt76/files/patches/1115-mt76-airtime-fairness-feature-off-in-mac80211.patch
@@ -0,0 +1,24 @@
+From 7ddf213d8c16bdea7827905e3e6c43f80beb26fd 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 1115/1121] mt76: airtime fairness feature off in mac80211
+
+---
+ mac80211.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/mac80211.c b/mac80211.c
+index e1c3332..2f0605d 100644
+--- a/mac80211.c
++++ b/mac80211.c
+@@ -428,7 +428,6 @@ 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
+