ARM: Tegra: FDT: Add USB EHCI function for T30/T114

Add DT node for USB EHCI function.
Add support for T30-Cardhu, T30-Beaver, T114-Dalmore boards.

Signed-off-by: Jim Lin <jilin@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/board/nvidia/dts/tegra30-beaver.dts b/board/nvidia/dts/tegra30-beaver.dts
index 836169f..a7cc93e9 100644
--- a/board/nvidia/dts/tegra30-beaver.dts
+++ b/board/nvidia/dts/tegra30-beaver.dts
@@ -14,6 +14,7 @@
 		i2c4 = "/i2c@7000c700";
 		sdhci0 = "/sdhci@78000600";
 		sdhci1 = "/sdhci@78000000";
+		usb0 = "/usb@7d008000";
 	};
 
 	memory {
@@ -68,4 +69,9 @@
 		status = "okay";
 		bus-width = <8>;
 	};
+
+	usb@7d008000 {
+		nvidia,vbus-gpio = <&gpio 236 0>; /* PDD4 */
+		status = "okay";
+	};
 };