ARM: at91/dt: at91sam9n12: add udp device node

Add usb device node for at91sam9n12.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91sam9n12.dtsi

@@ -912,6 +912,15 @@ pwm0: pwm@f8034000 {
 				clocks = <&pwm_clk>;
 				status = "disabled";
 			};
+
+			usb1: gadget@f803c000 {
+				compatible = "atmel,at91sam9260-udc";
+				reg = <0xf803c000 0x4000>;
+				interrupts = <23 IRQ_TYPE_LEVEL_HIGH 2>;
+				clocks = <&udphs_clk>, <&udpck>;
+				clock-names = "pclk", "hclk";
+				status = "disabled";
+			};
 		};
 
 		nand0: nand@40000000 {