Merge remote-tracking branch 'awilliam/tags/vfio-updates-20170503.0' into staging

VFIO fixes 2017-05-03

 - Enable 8-byte memory region accesses (Jose Ricardo Ziviani)
 - Fix vfio-pci error message (Dong Jia Shi)

# gpg: Signature made Wed 03 May 2017 10:28:55 PM BST
# gpg:                using RSA key 0x239B9B6E3BB08B22
# gpg: Good signature from "Alex Williamson <[email protected]>"
# gpg:                 aka "Alex Williamson <[email protected]>"
# gpg:                 aka "Alex Williamson <[email protected]>"
# gpg:                 aka "Alex Williamson <[email protected]>"
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* awilliam/tags/vfio-updates-20170503.0:
  vfio/pci: Fix incorrect error message
  vfio: enable 8-byte reads/writes to vfio
  vfio: Set MemoryRegionOps:max_access_size and min_access_size

Signed-off-by: Stefan Hajnoczi <[email protected]>