Updates to the Arm SMMU device-tree bindings.
* for-joerg/arm-smmu/bindings:
dt-bindings: arm-smmu: Fix binding for SDX55 and SDX65
dt-bindings: arm-smmu: Document smmu-500 binding for SM6125
dt-bindings: arm-smmu: document the smmu on Qualcomm SA8775P
dt-bindings: arm-smmu: disallow clocks when not used
dt-bindings: iommu: qcom: Add Qualcomm MSM8953 compatible
dt-bindings: arm-smmu: Add sm8150-smmu-500 to the list of Adreno smmus
dt-bindings: arm-smmu: Allow 3 power domains on SM6375 MMU500