ARM: dts: rk3399-evb: usb3.0 host support

Configure 'tcphy1' and 'usbdrd_dwc3_1' nodes to support USB3.0 host
for Rockchip RK3399 Evaluation Board.

Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3399-evb-u-boot.dtsi b/arch/arm/dts/rk3399-evb-u-boot.dtsi
index 0bb50b0..c42bd28 100644
--- a/arch/arm/dts/rk3399-evb-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-evb-u-boot.dtsi
@@ -23,3 +23,16 @@
 &rk808 {
 	u-boot,dm-pre-reloc;
 };
+
+&tcphy1 {
+	status = "okay";
+};
+
+&usbdrd3_1 {
+	status = "okay";
+};
+
+&usbdrd_dwc3_1 {
+	dr_mode = "host";
+	status = "okay";
+};