dt-bindings: arm-smmu: Add SM6350 GPU SMMUv2

SM6350 has a qcom,smmu-v2-style SMMU just for Adreno and friends.
Document it.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221117094422.11000-2-konrad.dybcio@linaro.org
Signed-off-by: Will Deacon <will@kernel.org>

Author: konradybcio

Documentation/devicetree/bindings/iommu/arm,smmu.yaml

@@ -94,6 +94,7 @@ properties:
               - qcom,sc7180-smmu-v2
               - qcom,sdm630-smmu-v2
               - qcom,sdm845-smmu-v2
+              - qcom,sm6350-smmu-v2
           - const: qcom,adreno-smmu
           - const: qcom,smmu-v2
       - description: Qcom Adreno GPUs on Google Cheza platform
@@ -346,6 +347,7 @@ allOf:
         compatible:
           contains:
             enum:
+              - qcom,sm6350-smmu-v2
               - qcom,sm8150-smmu-500
               - qcom,sm8250-smmu-500
     then: