ARM64: dts: meson-gxbb-p20x: Enable USB Nodes

Enable both gxbb USB controller and add a 5V regulator for the OTG port
VBUS

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
[khilman: rename vbus node to match P200 schematics]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi

@@ -57,6 +57,19 @@
 		device_type = "memory";
 		reg = <0x0 0x0 0x0 0x40000000>;
 	};
+
+	usb_pwr: regulator-usb-pwrs {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB_PWR";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+
+		/* signal name in schematic: USB_PWR_EN */
+		gpio = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
 };
 
 /* This UART is brought out to the DB9 connector */
@@ -77,3 +90,20 @@
 	pinctrl-0 = <&remote_input_ao_pins>;
 	pinctrl-names = "default";
 };
+
+&usb0_phy {
+	status = "okay";
+	phy-supply = <&usb_pwr>;
+};
+
+&usb1_phy {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};