ARM: dts: vf610-twr: Add USB support

Add USB support for Freescale Vybrid tower. The USB hosts over-current
protection signal is not connected to the PHY's over- current
protection, hence we need to disable it.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
index 82d16ac..189b697 100644
--- a/arch/arm/boot/dts/vf610-twr.dts
+++ b/arch/arm/boot/dts/vf610-twr.dts
@@ -275,3 +275,13 @@
 	pinctrl-0 = <&pinctrl_uart2>;
 	status = "okay";
 };
+
+&usbdev0 {
+	disable-over-current;
+	status = "okay";
+};
+
+&usbh1 {
+	disable-over-current;
+	status = "okay";
+};