pci-v3.14-fixes-1

  MSI
    - Fix AHCI single-MSI fallback (Alexander Gordeev)
    - Fix populate_msi_sysfs() error paths (Greg Kroah-Hartman)
    - Fix htmldocs problem (Masanari Iida)
    - Add pci_enable_msi_exact() and pci_enable_msix_exact() (Alexander Gordeev)
    - Update documentation (Alexander Gordeev)

  Miscellaneous
    - mvebu: expose device ID & revision via lspci (Andrew Lunn)
    - Enable INTx if the BIOS left them disabled (Bjorn Helgaas)