dt-bindings: iommu: arm,smmu: add sdm670 adreno iommu compatible

SDM670 has a separate IOMMU for the GPU, like SDM845. Add the compatible
for it.

Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20241114004713.42404-5-mailingradian@gmail.com
Signed-off-by: Will Deacon <will@kernel.org>

Author: flamingradian

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

@@ -122,6 +122,7 @@ properties:
               - qcom,msm8996-smmu-v2
               - qcom,sc7180-smmu-v2
               - qcom,sdm630-smmu-v2
+              - qcom,sdm670-smmu-v2
               - qcom,sdm845-smmu-v2
               - qcom,sm6350-smmu-v2
               - qcom,sm7150-smmu-v2