dt-bindings: mmc: Add compatible for Mediatek MT8195

This commit adds dt-binding documentation of mmc for Mediatek MT8195 SoC
Platform.
Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
Link: https://lore.kernel.org/r/20210319023427.16711-6-seiya.wang@mediatek.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Documentation/devicetree/bindings/mmc/mtk-sd.yaml

@@ -31,6 +31,7 @@ properties:
           - const: mediatek,mt2701-mmc
       - items:
           - const: mediatek,mt8192-mmc
+          - const: mediatek,mt8195-mmc
           - const: mediatek,mt8183-mmc
 
   clocks: