ARM: socfpga: dts: Add DTS entries for USB

Update all the SOCFPGA DTS files with USB entries.
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>

arch/arm/boot/dts/socfpga.dtsi

@@ -622,6 +622,34 @@ rstmgr@ffd05000 {
 			reg = <0xffd05000 0x1000>;
 		};
 
+		usbphy0: usbphy@0 {
+			#phy-cells = <0>;
+			compatible = "usb-nop-xceiv";
+			status = "okay";
+		};
+
+		usb0: usb@ffb00000 {
+			compatible = "snps,dwc2";
+			reg = <0xffb00000 0xffff>;
+			interrupts = <0 125 4>;
+			clocks = <&usb_mp_clk>;
+			clock-names = "otg";
+			phys = <&usbphy0>;
+			phy-names = "usb2-phy";
+			status = "disabled";
+		};
+
+		usb1: usb@ffb40000 {
+			compatible = "snps,dwc2";
+			reg = <0xffb40000 0xffff>;
+			interrupts = <0 128 4>;
+			clocks = <&usb_mp_clk>;
+			clock-names = "otg";
+			phys = <&usbphy0>;
+			phy-names = "usb2-phy";
+			status = "disabled";
+		};
+
 		sysmgr: sysmgr@ffd08000 {
 			compatible = "altr,sys-mgr", "syscon";
 			reg = <0xffd08000 0x4000>;

arch/arm/boot/dts/socfpga_arria5_socdk.dts

@@ -74,3 +74,7 @@ rtc@68 {
 		reg = <0x68>;
 	};
 };
+
+&usb1 {
+	status = "okay";
+};

arch/arm/boot/dts/socfpga_cyclone5_socdk.dts

@@ -67,3 +67,7 @@ rtc@68 {
 		reg = <0x68>;
 	};
 };
+
+&usb1 {
+	status = "okay";
+};

arch/arm/boot/dts/socfpga_cyclone5_sockit.dts

@@ -52,3 +52,7 @@ &gmac1 {
 	rxdv-skew-ps = <0>;
 	rxc-skew-ps = <2000>;
 };
+
+&usb1 {
+	status = "okay";
+};