ramips: enable power LED and second uart on GL-MT300N-V2

The device has a second uart accessible via pin headers, so enable it.

There is also a green power led which was not enabled previously.
Enable it too and use it as status LED.

Signed-off-by: Benjamin Valentin <benjamin.valentin@volatiles.de>

target/linux/ramips/base-files/etc/diag.sh

@@ -191,7 +191,7 @@ get_status_led() {
 		status_led="$boardname:blue:wifi"
 		;;
 	gl-mt300n-v2)
-		status_led="$boardname:red:wlan"
+		status_led="$boardname:green:power"
 		;;
 	m4-4M|\
 	m4-8M)

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

@@ -21,6 +21,12 @@
 	gpio-leds {
 		compatible = "gpio-leds";
 
+		power {
+			label = "gl-mt300n-v2:green:power";
+			default-state = "on";
+			gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
+		};
+
 		wan {
 			label = "gl-mt300n-v2:blue:wan";
 			gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
@@ -73,7 +79,7 @@
 &pinctrl {
 	state_default: pinctrl0 {
 		gpio {
-			ralink,group = "wdt", "gpio", "wled_an", "p0led_an", "i2s";
+			ralink,group = "wdt", "gpio", "wled_an", "p0led_an", "p1led_an", "i2s";
 			ralink,function = "gpio";
 		};
 	};
@@ -124,6 +130,10 @@
 	};
 };
 
+&uart1 {
+	status = "okay";
+};
+
 &ehci {
 	status = "okay";
 };