[][MAC80211][misc][rework mac80211 patches]

[Description]
Add mac80211_v5.15.81_077622a1 backport package.
Update MT7915 default firmware bin to TSSI_OFF_CLK_OFF

[Release-log]
N/A

Change-Id: I62d5e9f423002f73fba3d80ab5b3dc5eafeb9164
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6908944
diff --git a/target/linux/mediatek/base-files/sbin/setup_ax8400.sh b/target/linux/mediatek/base-files/sbin/setup_ax8400.sh
index b263142..8b912d5 100755
--- a/target/linux/mediatek/base-files/sbin/setup_ax8400.sh
+++ b/target/linux/mediatek/base-files/sbin/setup_ax8400.sh
@@ -39,8 +39,8 @@
         option path 'platform/18000000.wbsys'
         option channel '${channel_2g}'
         option band '2g'
-		option htmode 'HE40'
-		option noscan '1'
+	option htmode 'HE40'
+	option noscan '1'
         option disabled '0'
         option country '${country}'
 
@@ -56,7 +56,7 @@
         option path 'platform/18000000.wbsys+1'
         option channel '${channel_6g}'
         option band '6g'
-        option htmode 'HE80'
+        option htmode 'HE160'
         option disabled '0'
         option country '${country}'
 
@@ -74,4 +74,4 @@
 
 sleep 5
 
-iwinfo
\ No newline at end of file
+iwinfo