WIFI-15000 Check Wi-Fi mode at boot

qca-wifi-7: WF-672A, AFC pending, enable only 2-band mode

Signed-off-by: Justin.Guo <guoxijun@actiontec.com>

feeds/qca-wifi-7/cig-platform-pkg/cig-wifi-mode-sw/Makefile

@@ -24,7 +24,9 @@ endef
 
 define KernelPackage/cig-wifi-mode-sw/install
 	$(INSTALL_DIR) $(1)/usr/sbin/
+	$(INSTALL_DIR) $(1)/etc/init.d/
 	$(INSTALL_BIN) ./files/cig_wifi_mode_sw $(1)/usr/sbin/cig_wms
+	$(INSTALL_BIN) ./files/cig_wifi_mode_boot $(1)/etc/init.d/cig_wmb
 endef
 
 $(eval $(call KernelPackage,cig-wifi-mode-sw))

feeds/qca-wifi-7/cig-platform-pkg/cig-wifi-mode-sw/files/cig_wifi_mode_boot

@@ -0,0 +1,13 @@
+#!/bin/sh /etc/rc.common
+
+START=60
+
+boot(){
+	local bands=$(cat /proc/rf_switch)
+
+	if [ "x$bands" = "x3" ]; then
+		echo "AFC is not ready, switch to 2-band mode" >/dev/console
+		echo 2 > /proc/rf_switch
+		firstboot -y -r
+	fi
+}