dt-bindings: phy: Add QMP UFS PHY comptible for SM8550

Document the QMP UFS PHY compatible for SM8550.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230117224148.1914627-2-abel.vesa@linaro.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml

@@ -18,6 +18,7 @@ properties:
     enum:
       - qcom,sc8280xp-qmp-ufs-phy
       - qcom,sm6125-qmp-ufs-phy
+      - qcom,sm8550-qmp-ufs-phy
 
   reg:
     maxItems: 1