ARM: dts: gose: Enable watchdog support

Enable the watchdog, so the board can be restarted by a watchdog
timeout.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index 51b3ffa..1c8b4f1 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -446,6 +446,11 @@
 	status = "okay";
 };
 
+&rwdt {
+	timeout-sec = <60>;
+	status = "okay";
+};
+
 &scif0 {
 	pinctrl-0 = <&scif0_pins>;
 	pinctrl-names = "default";