ARM: dts: at91: sam9x60ek: enable watchdog node

Enable node for watchdog timer
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Link: https://lore.kernel.org/r/1581408369-14469-2-git-send-email-eugen.hristev@microchip.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

arch/arm/boot/dts/at91-sam9x60ek.dts

@@ -645,3 +645,8 @@ &pioD 15 GPIO_ACTIVE_HIGH
 &usb2 {
 	status = "okay";
 };
+
+&watchdog {
+	status = "okay";
+};
+