dt-bindings: irq: mtk, sysirq: add support for mt8365

Add binding documentation of mediatek,sysirq for mt8365 SoC.
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20230309213501.794764-2-bero@baylibre.comSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt

@@ -25,6 +25,7 @@ Required properties:
 	"mediatek,mt6577-sysirq": for MT6577
 	"mediatek,mt2712-sysirq", "mediatek,mt6577-sysirq": for MT2712
 	"mediatek,mt2701-sysirq", "mediatek,mt6577-sysirq": for MT2701
+	"mediatek,mt8365-sysirq", "mediatek,mt6577-sysirq": for MT8365
 - interrupt-controller : Identifies the node as an interrupt controller
 - #interrupt-cells : Use the same format as specified by GIC in arm,gic.txt.
 - reg: Physical base address of the intpol registers and length of memory