arm64: dts: rockchip: enable usb2phy on px30-evb

Enable the phy node ion the px30 evb board.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20190917082659.25549-13-heiko@sntech.de

arch/arm64/boot/dts/rockchip/px30-evb.dts

@@ -485,6 +485,18 @@ &sdio {
 	status = "okay";
 };
 
+&u2phy {
+	status = "okay";
+
+	u2phy_host: host-port {
+		status = "okay";
+	};
+
+	u2phy_otg: otg-port {
+		status = "okay";
+	};
+};
+
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart1_xfer &uart1_cts>;