ramips: fix leds on GL.iNet GL-MT300N-V2

The WAN LED now shows the link state. It's color is green,
not blue.

Signed-off-by: Martin Weinelt <hexa@darmstadt.ccc.de>

target/linux/ramips/base-files/etc/board.d/01_leds

@@ -150,6 +150,7 @@ gl-mt750)
 	;;
 gl-mt300n-v2)
 	set_wifi_led "$boardname:red:wlan"
+	ucidef_set_led_switch "wan" "wan" "$boardname:green:wan" "switch0" "0x1"
 	;;
 hc5661|\
 hc5661a)

target/linux/ramips/dts/GL-MT300N-V2.dts

@@ -35,7 +35,7 @@
 		};
 
 		wan {
-			label = "gl-mt300n-v2:blue:wan";
+			label = "gl-mt300n-v2:green:wan";
 			gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
 		};