ARM: sun8i: a83t: Add device node for USB OTG controller

The USB OTG controller found on the A83T is compatible with the one
found on the A33.

Add a device node for it.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

arch/arm/boot/dts/sun8i-a83t.dtsi

@@ -242,6 +242,20 @@ mmc2: mmc@1c11000 {
 			#size-cells = <0>;
 		};
 
+		usb_otg: usb@01c19000 {
+			compatible = "allwinner,sun8i-a83t-musb",
+				     "allwinner,sun8i-a33-musb";
+			reg = <0x01c19000 0x0400>;
+			clocks = <&ccu CLK_BUS_OTG>;
+			resets = <&ccu RST_BUS_OTG>;
+			interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "mc";
+			phys = <&usbphy 0>;
+			phy-names = "usb";
+			extcon = <&usbphy 0>;
+			status = "disabled";
+		};
+
 		usbphy: phy@1c19400 {
 			compatible = "allwinner,sun8i-a83t-usb-phy";
 			reg = <0x01c19400 0x10>,