dt-bindings: mediatek: modify VDOSYS0 mmsys device tree Documentations for MT8188

modify VDOSYS0 mmsys device tree Documentations for MT8188.
Signed-off-by: Nathan Lu <nathan.lu@mediatek.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221206020046.11333-3-nathan.lu@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml

@@ -31,6 +31,7 @@ properties:
               - mediatek,mt8173-mmsys
               - mediatek,mt8183-mmsys
               - mediatek,mt8186-mmsys
+              - mediatek,mt8188-vdosys0
               - mediatek,mt8192-mmsys
               - mediatek,mt8365-mmsys
           - const: syscon