Merge branch 'pci/dt-bindings'

- Increase qcom iommu-map maxItems to accommodate SDX55 (five entries) and
  SDM845 (sixteen entries) (Krzysztof Kozlowski)

- Describe qcom,pcie-sc8180x clocks and resets accurately (Krzysztof
  Kozlowski)

- Describe qcom,pcie-sm8150 clocks and resets accurately (Krzysztof
  Kozlowski)

- Correct the qcom "reset-name" property, previously incorrectly called
  "reset-names" (Krzysztof Kozlowski)

- Document rockchip optional PCIe reference clock input (Heiko Stuebner)

- Document qcom,pcie-sm8650, based on qcom,pcie-sm8550 (Neil Armstrong)

* pci/dt-bindings:
  dt-bindings: PCI: qcom: Document the SM8650 PCIe Controller
  dt-bindings: PCI: dwc: rockchip: Document optional PCIe reference clock input
  dt-bindings: PCI: qcom: Correct reset-names property
  dt-bindings: PCI: qcom: Correct clocks for SM8150
  dt-bindings: PCI: qcom: Correct clocks for SC8180x
  dt-bindings: PCI: qcom: Adjust iommu-map for different SoC