Merge branch 'pci/dt-bindings'

Merge branch 'pci/dt-bindings'

- Update socionext,uniphier-pcie binding pcie_intc name to
  'legacy-interrupt-controller' to match .dts files (Rob Herring)

- Merge SC8180x binding into SM8150 (Krzysztof Kozlowski)

- Move SDX55, SDM845, QCS404, IPQ5018, IPQ6018, IPQ8074 Gen3, IPQ8074,
  IPQ4019, IPQ9574, APQ8064, MSM8996, APQ8084 to dedicated schema
  (Krzysztof Kozlowski)

- Add MT7981 compatible to mediatek-pcie-gen3 binding (Sjoerd Simons)

- Document Loongson msi-parent property (Yao Zi)

- Add Glymur compatible to qcom,pcie-x1e80100 binding (Prudhvi Yarlagadda)

* pci/dt-bindings:
  dt-bindings: PCI: qcom: Document the Glymur PCIe Controller
  dt-bindings: PCI: loongson: Document msi-parent property
  dt-bindings: PCI: mediatek-gen3: Add MT7981 PCIe compatible
  dt-bindings: PCI: qcom,pcie-apq8084: Move APQ8084 to dedicated schema
  dt-bindings: PCI: qcom,pcie-msm8996: Move MSM8996 to dedicated schema
  dt-bindings: PCI: qcom,pcie-apq8064: Move APQ8064 to dedicated schema
  dt-bindings: PCI: qcom,pcie-ipq9574: Move IPQ9574 to dedicated schema
  dt-bindings: PCI: qcom,pcie-ipq4019: Move IPQ4019 to dedicated schema
  dt-bindings: PCI: qcom,pcie-ipq8074: Move IPQ8074 to dedicated schema
  dt-bindings: PCI: qcom,pcie-ipq6018: Move IPQ6018 and IPQ8074 Gen3 to dedicated schema
  dt-bindings: PCI: qcom,pcie-ipq5018: Move IPQ5018 to dedicated schema
  dt-bindings: PCI: qcom,pcie-qcs404: Move QCS404 to dedicated schema
  dt-bindings: PCI: qcom,pcie-sdm845: Move SDM845 to dedicated schema
  dt-bindings: PCI: qcom,pcie-sdx55: Move SDX55 to dedicated schema
  dt-bindings: PCI: qcom,pcie-sm8150: Merge SC8180x into SM8150
  dt-bindings: PCI: socionext,uniphier-pcie: Fix interrupt controller node name