dt-bindings: arm: mediatek: mmsys: Add support for MT8195 VPPSYS

For MT8195, VPPSYS0 and VPPSYS1 are 2 display pipes with
hardware differences in power domains, clocks and subsystem counts,
which should be determined by compatible names.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230118031509.29834-3-moudy.ho@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

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

@@ -34,6 +34,8 @@ properties:
               - mediatek,mt8188-vdosys0
               - mediatek,mt8192-mmsys
               - mediatek,mt8195-vdosys1
+              - mediatek,mt8195-vppsys0
+              - mediatek,mt8195-vppsys1
               - mediatek,mt8365-mmsys
           - const: syscon