ARM: dts: at91: sam9x60: add watchdog node

Add node for watchdog timer.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>

Author: ehristev

arch/arm/boot/dts/sam9x60.dtsi

@@ -793,6 +793,14 @@
 				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
 				clocks = <&clk32k 0>;
 			};
+
+			watchdog: watchdog@ffffff80 {
+				compatible = "microchip,sam9x60-wdt";
+				reg = <0xffffff80 0x24>;
+				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
+				clocks = <&clk32k 0>;
+				status = "disabled";
+			};
 		};
 	};
 };