Updated openstack/openstack
Project: openstack/nova  069ffbf7fa6dcab927488a5361d8775299edba08

libvirt: reuse defined method to return instance numa topology

Updates code to reuse the already well defined method
hardware.instance_topology_from_instance.

Change-Id: Ia8d578bf31321475a5613a43e7fad6a71055958f