Merge remote-tracking branch 'remotes/awilliam/tags/vfio-fixes-20160915.0' into staging

VFIO fixes 2016-09-15

Fix a 2.7.0 regression affecting POWER8 systems in relation to EEH,
possibly extending to subtle changes for other devices and archs.
(David Gibson)

# gpg: Signature made Thu 15 Sep 2016 18:31:42 BST
# gpg:                using RSA key 0x239B9B6E3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg:                 aka "Alex Williamson <alex@shazbot.org>"
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>"
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>"
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* remotes/awilliam/tags/vfio-fixes-20160915.0:
  vfio/pci: Fix regression in MSI routing configuration

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>