arm64: dts: rockchip: enable usb on rk1808 evb

This patch enables usb OHCI/EHCI/xHCI controllers
and usb 2.0 phy.

Change-Id: I77671a75a1291b4fcf949a429d3c8cc58ce5b1a3
Signed-off-by: William Wu <william.wu@rock-chips.com>

arch/arm64/boot/dts/rockchip/rk1808-evb.dtsi

@@ -587,6 +587,34 @@
 	status = "okay";
 };
 
+&u2phy {
+	status = "okay";
+};
+
+&u2phy_host {
+	status = "okay";
+};
+
+&u2phy_otg {
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&usbdrd3 {
+	status = "okay";
+};
+
+&usbdrd_dwc3 {
+	status = "okay";
+};
+
 &pinctrl {
 	pmic {
 		pmic_int: pmic_int {