ARM: dts: Add hsotg node for exynos3250

This patch adds device tree node for hsotg to control 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

@@ -255,6 +255,17 @@
 			status = "disabled";
 		};
 
+		hsotg: hsotg@12480000 {
+			compatible = "snps,dwc2";
+			reg = <0x12480000 0x20000>;
+			interrupts = <0 141 0>;
+			clocks = <&cmu CLK_USBOTG>;
+			clock-names = "otg";
+			phys = <&exynos_usbphy 0>;
+			phy-names = "usb2-phy";
+			status = "disabled";
+		};
+
 		mshc_0: mshc@12510000 {
 			compatible = "samsung,exynos5250-dw-mshc";
 			reg = <0x12510000 0x1000>;