arm64: dts: rockchip: add leds node on rk3328-rock64

Add led nodes on Rock64.
Use heartbeat trigger for the red standby led and
use mmc0 trigger for the white power led.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3328-rock64.dts

@@ -65,6 +65,20 @@ vcc_sys: vcc-sys {
 		regulator-max-microvolt = <5000000>;
 	};
 
+	leds {
+		compatible = "gpio-leds";
+
+		power {
+			gpios = <&rk805 1 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "mmc0";
+		};
+
+		standby {
+			gpios = <&rk805 0 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+
 	sound {
 		compatible = "audio-graph-card";
 		label = "rockchip,rk3328";
@@ -157,6 +171,8 @@ rk805: rk805@18 {
 		interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
 		#clock-cells = <1>;
 		clock-output-names = "xin32k", "rk805-clkout2";
+		gpio-controller;
+		#gpio-cells = <2>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pmic_int_l>;
 		rockchip,system-power-controller;