ARM: dts: rockchip: enable usb for rv1108-evb

Rockchip's rv1108-evb board has one usb otg controller and one usb
host controller, each usb controller connect with one usb-phy port
through UTMI+ interface. This patch enables them to support usb on
rv1108-evb board.
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rv1108-evb.dts

@@ -222,6 +222,18 @@ &sdmmc {
 	status = "okay";
 };
 
+&u2phy {
+	status = "okay";
+
+	u2phy_host: host-port {
+		status = "okay";
+	};
+
+	u2phy_otg: otg-port {
+		status = "okay";
+	};
+};
+
 &uart0 {
 	status = "okay";
 };
@@ -233,3 +245,15 @@ &uart1 {
 &uart2 {
 	status = "okay";
 };
+
+&usb_host_ehci {
+	status = "okay";
+};
+
+&usb_host_ohci {
+	status = "okay";
+};
+
+&usb_otg {
+	status = "okay";
+};