Merge branch 'pci/misc'

  - Add NumaChip SPDX header (Krzysztof Wilczynski)

  - Replace EXTRA_CFLAGS with ccflags-y (Krzysztof Wilczynski)

  - Remove unused includes (Krzysztof Wilczynski)

  - Avoid AMD FCH XHCI USB PME# from D0 defect that prevents wakeup on USB
    2.0 or 1.1 connect events (Kai-Heng Feng)

  - Removed unused sysfs attribute groups (Ben Dooks)

  - Remove PTM and ASPM dependencies on PCIEPORTBUS (Bjorn Helgaas)

  - Add PCIe Link Control 2 register field definitions to replace magic
    numbers in AMDGPU and Radeon CIK/SI (Bjorn Helgaas)

  - Fix incorrect Link Control 2 Transmit Margin usage in AMDGPU and Radeon
    CIK/SI PCIe Gen3 link training (Bjorn Helgaas)

  - Use pcie_capability_read_word() instead of pci_read_config_word() in
    AMDGPU and Radeon CIK/SI (Frederick Lawler)

* pci/misc:
  drm/radeon: Prefer pcie_capability_read_word()
  drm/radeon: Replace numbers with PCI_EXP_LNKCTL2 definitions
  drm/radeon: Correct Transmit Margin masks
  drm/amdgpu: Prefer pcie_capability_read_word()
  drm/amdgpu: Replace numbers with PCI_EXP_LNKCTL2 definitions
  drm/amdgpu: Correct Transmit Margin masks
  PCI: Add #defines for Enter Compliance, Transmit Margin
  PCI: Allow building PCIe things without PCIEPORTBUS
  PCI: Remove PCIe Kconfig dependencies on PCI
  PCI/ASPM: Remove dependency on PCIEPORTBUS
  PCI/PTM: Remove dependency on PCIEPORTBUS
  PCI/PTM: Remove spurious "d" from granularity message
  PCI: sysfs: Remove unused attribute groups
  x86/PCI: Avoid AMD FCH XHCI USB PME# from D0 defect
  PCI: Remove unused includes and superfluous struct declaration
  x86/PCI: Replace deprecated EXTRA_CFLAGS with ccflags-y
  x86/PCI: Correct SPDX comment style
  x86/PCI: Add NumaChip SPDX GPL-2.0 to replace COPYING boilerplate