Merge branch 'pci/docs'

Merge branch 'pci/docs'

  - Convert docs to reST (Changbin Du)

  - Convert PM docs to reST (Mauro Carvalho Chehab)

* pci/docs:
  docs: power: convert docs to ReST and rename to *.rst
  Documentation: PCI: convert endpoint/pci-test-howto.txt to reST
  Documentation: PCI: convert endpoint/pci-test-function.txt to reST
  Documentation: PCI: convert endpoint/pci-endpoint-cfs.txt to reST
  Documentation: PCI: convert endpoint/pci-endpoint.txt to reST
  Documentation: PCI: convert pcieaer-howto.txt to reST
  Documentation: PCI: convert pci-error-recovery.txt to reST
  Documentation: PCI: convert acpi-info.txt to reST
  Documentation: PCI: convert MSI-HOWTO.txt to reST
  Documentation: PCI: convert pci-iov-howto.txt to reST
  Documentation: PCI: convert PCIEBUS-HOWTO.txt to reST
  Documentation: PCI: convert pci.txt to reST
  Documentation: add Linux PCI to Sphinx TOC tree