dt-bindings: mtk-sysirq: Add compatible for Mediatek MT8183

This adds dt-binding documentation of SYSIRQ for Mediatek MT8183 SoC
Platform.

Signed-off-by: Erin Lo <erin.lo@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

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

@@ -5,6 +5,7 @@ interrupt.
 
 Required properties:
 - compatible: should be
+	"mediatek,mt8183-sysirq", "mediatek,mt6577-sysirq": for MT8183
 	"mediatek,mt8173-sysirq", "mediatek,mt6577-sysirq": for MT8173
 	"mediatek,mt8135-sysirq", "mediatek,mt6577-sysirq": for MT8135
 	"mediatek,mt8127-sysirq", "mediatek,mt6577-sysirq": for MT8127