ARM: dts: Add exynos_usbphy node for exynos3250

This patch adds device tree node for exynos_usbphy to use USB 2.0 Device.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/boot/dts/exynos3250.dtsi

@@ -279,6 +279,16 @@ mshc_1: mshc@12520000 {
 			status = "disabled";
 		};
 
+		exynos_usbphy: exynos-usbphy@125B0000 {
+			compatible = "samsung,exynos3250-usb2-phy";
+			reg = <0x125B0000 0x100>;
+			samsung,pmureg-phandle = <&pmu_system_controller>;
+			clocks = <&cmu CLK_USBOTG>, <&cmu CLK_SCLK_UPLL>;
+			clock-names = "phy", "ref";
+			#phy-cells = <1>;
+			status = "disabled";
+		};
+
 		amba {
 			compatible = "arm,amba-bus";
 			#address-cells = <1>;