arm64: dts: mediatek: add watchdog support for mt8365 SoC

Add watchdog support.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20230203-evk-board-support-v8-3-7019f3fd0adf@baylibre.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8365.dtsi

@@ -162,6 +162,12 @@ syscfg_pctl: syscfg-pctl@10005000 {
 			reg = <0 0x10005000 0 0x1000>;
 		};
 
+		watchdog: watchdog@10007000 {
+			compatible = "mediatek,mt8365-wdt", "mediatek,mt6589-wdt";
+			reg = <0 0x10007000 0 0x100>;
+			#reset-cells = <1>;
+		};
+
 		pio: pinctrl@1000b000 {
 			compatible = "mediatek,mt8365-pinctrl";
 			reg = <0 0x1000b000 0 0x1000>;