Merge branch 'for-joerg/arm-smmu/bindings' into for-joerg/arm-smmu/updates

Updates to the Arm SMMU device-tree bindings.

* for-joerg/arm-smmu/bindings:
  dt-bindings: arm-smmu: Document SM61[12]5 GPU SMMU
  dt-bindings: arm-smmu: Add SM8350 Adreno SMMU
  dt-bindings: arm-smmu: Use qcom,smmu compatible for MMU500 adreno SMMUs
  dt-bindings: arm-smmu: Add compatible for SM8550 SoC