dt-bindings: ufs: qcom: Add SM6350 compatible string

Document the compatible for the UFS found on SM6350.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220321133318.99406-2-luca.weiss@fairphone.com

Documentation/devicetree/bindings/ufs/qcom,ufs.yaml

@@ -27,6 +27,7 @@ properties:
           - qcom,msm8996-ufshc
           - qcom,msm8998-ufshc
           - qcom,sdm845-ufshc
+          - qcom,sm6350-ufshc
           - qcom,sm8150-ufshc
           - qcom,sm8250-ufshc
           - qcom,sm8350-ufshc
@@ -125,6 +126,7 @@ allOf:
           contains:
             enum:
               - qcom,sdm845-ufshc
+              - qcom,sm6350-ufshc
               - qcom,sm8150-ufshc
     then:
       properties: