PENDING: dt-bindings: arm-smmu: document the support on SA7255p

Add compatible for smmu representing support on SA7255p.

Change-Id: Ie41c83830cfc9e1fb5dbdd1b6cb772f6742a7a74
Signed-off-by: Sankalp Negi <quic_snegi@quicinc.com>

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

@@ -38,6 +38,7 @@ properties:
               - qcom,qcm2290-smmu-500
               - qcom,qcs8300-smmu-500
               - qcom,qdu1000-smmu-500
+              - qcom,sa7255p-smmu-500
               - qcom,sa8255p-smmu-500
               - qcom,sa8775p-smmu-500
               - qcom,sc7180-smmu-500
@@ -86,6 +87,7 @@ properties:
         items:
           - enum:
               - qcom,qcs8300-smmu-500
+              - qcom,sa7255p-smmu-500
               - qcom,sa8255p-smmu-500
               - qcom,sa8775p-smmu-500
               - qcom,sc7280-smmu-500
@@ -495,6 +497,7 @@ allOf:
               - qcom,qcm2290-smmu-500
               - qcom,qcs8300-smmu-500
               - qcom,qdu1000-smmu-500
+              - qcom,sa7255p-smmu-500
               - qcom,sa8255p-smmu-500
               - qcom,sc7180-smmu-500
               - qcom,sc8180x-smmu-500