[][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_ax6000.sh b/target/linux/mediatek/base-files/sbin/setup_ax6000.sh
new file mode 100755
index 0000000..c4e05c4
--- /dev/null
+++ b/target/linux/mediatek/base-files/sbin/setup_ax6000.sh
@@ -0,0 +1,58 @@
+#================================================================
+# HEADER
+#================================================================
+
+channel_2g=1
+channel_5g=36
+country="US"
+ssid_2g="Openwrt-7986-2g"
+ssid_5g="Openwrt-7986-5g"
+
+#================================================================
+# END_OF_HEADER
+#================================================================
+
+wifi down
+rm -rf /etc/config/wireless
+
+cat > /etc/config/wireless <<EOF
+config wifi-device 'radio0'
+        option type 'mac80211'
+        option path 'platform/18000000.wbsys'
+        option channel '${channel_2g}'
+        option band '2g'
+	option htmode 'HE40'
+	option noscan '1'
+        option disabled '0'
+        option country '${country}'
+
+config wifi-iface 'default_radio0'
+        option device 'radio0'
+        option network 'lan'
+        option mode 'ap'
+        option ssid '${ssid_2g}'
+        option encryption 'none'
+
+config wifi-device 'radio1'
+        option type 'mac80211'
+        option path 'platform/18000000.wbsys+1'
+        option channel '${channel_5g}'
+        option band '5g'
+        option htmode 'HE160'
+        option disabled '0'
+        option country '${country}'
+
+config wifi-iface 'default_radio1'
+        option device 'radio1'
+        option network 'lan'
+        option mode 'ap'
+        option ssid '${ssid_5g}'
+        option encryption 'none'
+EOF
+
+wifi up
+wifi reload
+
+sleep 5
+
+iwinfo