Merge branch 'pci/doe'

Merge branch 'pci/doe'

- Rename DOE 'protocol' to 'feature' to follow spec terminology (Alistair
  Francis)

- Expose supported DOE features via sysfs (Alistair Francis)

- Allow DOE support to be enabled even if CXL isn't enabled (Alistair
  Francis)

* pci/doe:
  PCI/DOE: Allow enabling DOE without CXL
  PCI/DOE: Expose DOE features via sysfs
  PCI/DOE: Rename Discovery Response Data Object Contents to type
  PCI/DOE: Rename DOE protocol to feature