arm64: dts: rockchip: add vdd_npu_s0 regulator to rock-5a

Add the NPU regulator.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230710165228.105983-11-sebastian.reichel@collabora.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts

@@ -166,6 +166,23 @@ regulator-state-mem {
 &i2c2 {
 	status = "okay";
 
+	vdd_npu_s0: regulator@42 {
+		compatible = "rockchip,rk8602";
+		reg = <0x42>;
+		fcs,suspend-voltage-selector = <1>;
+		regulator-name = "vdd_npu_s0";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <550000>;
+		regulator-max-microvolt = <950000>;
+		regulator-ramp-delay = <2300>;
+		vin-supply = <&vcc5v0_sys>;
+
+		regulator-state-mem {
+			regulator-off-in-suspend;
+		};
+	};
+
 	eeprom: eeprom@50 {
 		compatible = "belling,bl24c16a", "atmel,24c16";
 		reg = <0x50>;