[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-wifi/linux-mt76/files/patches/1122-mt76-mt7915-initialize-wcid.patch b/recipes-wifi/linux-mt76/files/patches/1122-mt76-mt7915-initialize-wcid.patch
new file mode 100644
index 0000000..6e4a407
--- /dev/null
+++ b/recipes-wifi/linux-mt76/files/patches/1122-mt76-mt7915-initialize-wcid.patch
@@ -0,0 +1,26 @@
+From 109de0e4b5c9ed13308510e5735475cd02ea5310 Mon Sep 17 00:00:00 2001
+From: Sujuan Chen <sujuan.chen@mediatek.com>
+Date: Tue, 12 Jul 2022 13:56:07 +0800
+Subject: [PATCH 1122/1128] mt76 mt7915 initialize wcid
+
+Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
+---
+ mt7915/mac.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/mt7915/mac.c b/mt7915/mac.c
+index 100ed7e..27f9419 100644
+--- a/mt7915/mac.c
++++ b/mt7915/mac.c
+@@ -969,7 +969,7 @@ mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len)
+ 		info = le32_to_cpu(*cur_info);
+ 		if (info & MT_TX_FREE_PAIR) {
+ 			struct mt7915_sta *msta;
+-			struct mt76_wcid *wcid;
++			struct mt76_wcid *wcid = NULL;
+ 			u16 idx;
+ 
+ 			idx = FIELD_GET(MT_TX_FREE_WLAN_ID, info);
+-- 
+2.18.0
+