ARM: dts: rskrza1: Add LED0 pin support

Add pin configuration for LED0 which is connected to a GPIO.
Signed-off-by: NChris Brandt <chris.brandt@renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r7s72100-rskrza1.dts

@@ -10,6 +10,7 @@
 
 /dts-v1/;
 #include "r7s72100.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/pinctrl/r7s72100-pinctrl.h>
 
 / {
@@ -34,6 +35,15 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 	};
+
+	leds {
+		status = "okay";
+		compatible = "gpio-leds";
+
+		led0 {
+			gpios = <&port7 1 GPIO_ACTIVE_LOW>;
+		};
+	};
 };
 
 &extal_clk {