dt-bindings: iommu: arm,smmu: document the SM8650 System MMU

Document the System MMU on the SM8650 Platform.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231128-topic-sm8650-upstream-bindings-smmu-v2-1-d3fbcaf1ea92@linaro.org
Signed-off-by: Will Deacon <will@kernel.org>

Author: superna9999

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

@@ -56,6 +56,7 @@ properties:
               - qcom,sm8350-smmu-500
               - qcom,sm8450-smmu-500
               - qcom,sm8550-smmu-500
+              - qcom,sm8650-smmu-500
           - const: qcom,smmu-500
           - const: arm,mmu-500
 
@@ -498,6 +499,7 @@ allOf:
               - qcom,sm6375-smmu-500
               - qcom,sm8450-smmu-500
               - qcom,sm8550-smmu-500
+              - qcom,sm8650-smmu-500
     then:
       properties:
         clock-names: false