ARM: shmobile: armadillo-reference: Add LED1-LED4 to the device tree

LED1 to LED4 are GPIO LEDs. Add corresponding DT nodes.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts

@@ -34,6 +34,21 @@
 		regulator-boot-on;
 	};
 
+	leds {
+		compatible = "gpio-leds";
+		led1 {
+			gpios = <&pfc 102 GPIO_ACTIVE_HIGH>;
+		};
+		led2 {
+			gpios = <&pfc 111 GPIO_ACTIVE_HIGH>;
+		};
+		led3 {
+			gpios = <&pfc 110 GPIO_ACTIVE_HIGH>;
+		};
+		led4 {
+			gpios = <&pfc 177 GPIO_ACTIVE_HIGH>;
+		};
+	};
 };
 
 &i2c0 {