dt-bindings: arm-smmu: Add SDX75 SMMU compatible

Add devicetree binding for Qualcomm SDX75 SMMU.
Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/1684487350-30476-5-git-send-email-quic_rohiagar@quicinc.comSigned-off-by: Will Deacon <will@kernel.org>

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

@@ -46,6 +46,7 @@ properties:
               - qcom,sdm845-smmu-500
               - qcom,sdx55-smmu-500
               - qcom,sdx65-smmu-500
+              - qcom,sdx75-smmu-500
               - qcom,sm6115-smmu-500
               - qcom,sm6125-smmu-500
               - qcom,sm6350-smmu-500