odroid-XU3: Add entry for DTS EHCI GPIO

Add samsung,vbus-gpio information for the XU3. This allows the usage of
the EHCI controller on the XU3, which is connected to the SMSC LAN9514
chip (usb hub + network).

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/dts/exynos5422-odroidxu3.dts b/arch/arm/dts/exynos5422-odroidxu3.dts
index cff32a9..79a7acd 100644
--- a/arch/arm/dts/exynos5422-odroidxu3.dts
+++ b/arch/arm/dts/exynos5422-odroidxu3.dts
@@ -31,6 +31,10 @@
 			0xb0000000 0xea00000>;
 	};
 
+	ehci@12110000 {
+		samsung,vbus-gpio = <&gpio 0x66 0>; /* X26 */
+	};
+
 	serial@12C20000 {
 		status="okay";
 	};