dt-bindings: phy: Add compatible for Mediatek MT8195

This commit adds dt-binding documentation of T-Phy for Mediatek MT8195 SoC
Platform.
Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
Link: https://lore.kernel.org/r/20210316111443.3332-8-seiya.wang@mediatek.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/mediatek,tphy.yaml

@@ -79,6 +79,7 @@ properties:
               - mediatek,mt2712-tphy
               - mediatek,mt7629-tphy
               - mediatek,mt8183-tphy
+              - mediatek,mt8195-tphy
           - const: mediatek,generic-tphy-v2
       - const: mediatek,mt2701-u3phy
         deprecated: true