ARM: at91/dtsi: add the watchdog nodes for at91 SoC

at91sam9x5, at91sam9n12
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91sam9n12.dtsi

@@ -425,6 +425,12 @@ spi1: spi@f0004000 {
 				pinctrl-0 = <&pinctrl_spi1>;
 				status = "disabled";
 			};
+
+			watchdog@fffffe40 {
+				compatible = "atmel,at91sam9260-wdt";
+				reg = <0xfffffe40 0x10>;
+				status = "disabled";
+			};
 		};
 
 		nand0: nand@40000000 {

arch/arm/boot/dts/at91sam9x5.dtsi

@@ -663,6 +663,12 @@ spi1: spi@f0004000 {
 				status = "disabled";
 			};
 
+			watchdog@fffffe40 {
+				compatible = "atmel,at91sam9260-wdt";
+				reg = <0xfffffe40 0x10>;
+				status = "disabled";
+			};
+
 			rtc@fffffeb0 {
 				compatible = "atmel,at91sam9x5-rtc";
 				reg = <0xfffffeb0 0x40>;