arm64: dts: rockchip: rockpro64 dts add usb regulator

vcc5v0_host and vcc5v0_typec is supplied by vcc5v0_usb and not vcc5v0_sys.
add node for vcc5v0_usb fixed regulator.
Signed-off-by: Akash Gajjar <Akash_Gajjar@mentor.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts

@@ -125,7 +125,7 @@ vcc5v0_host: vcc5v0-host-regulator {
 		pinctrl-0 = <&vcc5v0_host_en>;
 		regulator-name = "vcc5v0_host";
 		regulator-always-on;
-		vin-supply = <&vcc5v0_sys>;
+		vin-supply = <&vcc5v0_usb>;
 	};
 
 	vcc5v0_typec: vcc5v0-typec-regulator {
@@ -136,7 +136,7 @@ vcc5v0_typec: vcc5v0-typec-regulator {
 		pinctrl-0 = <&vcc5v0_typec_en>;
 		regulator-name = "vcc5v0_typec";
 		regulator-always-on;
-		vin-supply = <&vcc5v0_sys>;
+		vin-supply = <&vcc5v0_usb>;
 	};
 
 	vcc5v0_sys: vcc5v0-sys {
@@ -149,6 +149,16 @@ vcc5v0_sys: vcc5v0-sys {
 		vin-supply = <&vcc12v_dcin>;
 	};
 
+	vcc5v0_usb: vcc5v0-usb {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_usb";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc12v_dcin>;
+	};
+
 	vdd_log: vdd-log {
 		compatible = "pwm-regulator";
 		pwms = <&pwm2 0 25000 1>;