Updated openstack/openstack
Project: openstack/nova  1785f17a4d8e270185c8cca2c43d79f87db48b97
null
powervm: remove powervm virt driver from nova

IBM's strategic direction for OpenStack powervm support
is to support powervc, and therefore support is being
pulled out for the existing powervm IVM/VIOS driver.

DocImpact

Change-Id: I9b7887c1914def145e87cf20dbd0ec65cb0fe987