dt-bindings: iommu: qcom,iommu: Add MSM8953 GPU IOMMU to SMMUv2 compatibles

Add MSM8953 compatible string with "qcom,msm-iommu-v2" as fallback
for the MSM8953 GPU IOMMU which is compatible with Qualcomm's secure
fw "SMMU v2" implementation.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240606-topic-sm8953-upstream-smmu-gpu-v2-1-67be88007d87@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>

Author: superna9999

Documentation/devicetree/bindings/iommu/qcom,iommu.yaml

@@ -25,6 +25,7 @@ properties:
           - const: qcom,msm-iommu-v1
       - items:
           - enum:
+              - qcom,msm8953-iommu
               - qcom,msm8976-iommu
           - const: qcom,msm-iommu-v2