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 SM8[45]50 GPU SMMU
  dt-bindings: arm-smmu: Add compatible for X1E80100 SoC
  dt-bindings: iommu: arm,smmu: document the SM8650 System MMU
  dt-bindings: iommu: arm,smmu: document clocks for the SM8350 GPU SMMU