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

modify VDOSYS0 mutex device tree Documentations for MT8188.
Signed-off-by: Nathan Lu <nathan.lu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221206020046.11333-4-nathan.lu@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

Documentation/devicetree/bindings/soc/mediatek/mediatek,mutex.yaml

@@ -32,6 +32,7 @@ properties:
       - mediatek,mt8183-disp-mutex
       - mediatek,mt8186-disp-mutex
       - mediatek,mt8186-mdp3-mutex
+      - mediatek,mt8188-disp-mutex
       - mediatek,mt8192-disp-mutex
       - mediatek,mt8195-disp-mutex