ARM: sun5i: chip: Add status LED

The CHIP has a status LED connected to one of the AXP GPIOs. Add the
gpio-leds node to be able to use the proper LED framework to control it.
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun5i-r8-chip.dts

@@ -64,6 +64,16 @@
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		status {
+			label = "chip:white:status";
+			gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+	};
 };
 
 &be0 {