ARM: dts: Enable USB gadget functionality for exynos4210-trats

This patch adds device tree nodes necessary to enable USB
gadget functionality on Exynos4210-based Trats board.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos4210-trats.dts

@@ -88,6 +88,12 @@
 		};
 	};
 
+	hsotg@12480000 {
+		vusb_d-supply = <&vusb_reg>;
+		vusb_a-supply = <&vusbdac_reg>;
+		status = "okay";
+	};
+
 	sdhci_emmc: sdhci@12510000 {
 		bus-width = <8>;
 		non-removable;
@@ -97,6 +103,10 @@
 		status = "okay";
 	};
 
+	exynos-usbphy@125B0000 {
+		status = "okay";
+	};
+
 	serial@13800000 {
 		status = "okay";
 	};