dt-bindings: display: mediatek: ovl: Modify rules for MT8195/MT8188

Modify rules for both MT8195 and MT8188.
Hardware capabilities include color formats and AFBC are
changed since MT8195, stop using the settings of MT8183.

Acked-by: Rob Herring <[e-mail]>
Reviewed-by: AngeloGioacchino Del Regno <[e-mail]>
Reviewed-by: CK Hu <[e-mail]>
Signed-off-by: Hsiao Chien Sung <[e-mail]>
Signed-off-by: Jason-JH.Lin <[e-mail]>
Acked-by: Chun-Kuang Hu <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: AngeloGioacchino Del Regno <[e-mail]>

Documentation/devicetree/bindings/display/mediatek/mediatek,ovl.yaml

···
           - mediatek,mt8173-disp-ovl
           - mediatek,mt8183-disp-ovl
           - mediatek,mt8192-disp-ovl
+          - mediatek,mt8195-disp-ovl
           - mediatek,mt8195-mdp3-ovl
       - items:
           - enum:
···
           - const: mediatek,mt8173-disp-ovl
       - items:
           - enum:
-              - mediatek,mt8188-disp-ovl
-              - mediatek,mt8195-disp-ovl
-          - const: mediatek,mt8183-disp-ovl
-      - items:
-          - enum:
               - mediatek,mt8186-disp-ovl
               - mediatek,mt8365-disp-ovl
           - const: mediatek,mt8192-disp-ovl
+      - items:
+          - const: mediatek,mt8188-disp-ovl
+          - const: mediatek,mt8195-disp-ovl
       - items:
           - const: mediatek,mt8188-mdp3-ovl
           - const: mediatek,mt8195-mdp3-ovl