Updated openstack/openstack
Project: openstack/nova  0c88c42731e2dae9ee27a6fcacfc4baadca21080

libvirt: add support for hyperv timer source with windows guests

The hyperv timer source enables Windows guests to keep accurate
time, much like kvmclock does for Linux guests. It should be
enabled for all windows guests, as it doesn't harm older windows
versions which don't know about it.

Related-bug: #1400315
Change-Id: I6af05b4e8e0b2145733c0f301c04555da23b7da8