Add quantum support for baremetal virtual env.

Add quantum networking support when nova-baremetal is active.
This creates a ctlplane network and br-ctlplane bridge, and moves IPs
from PHYSICAL_INTERFACE to OVS_PHYSICAL_BRIDGE.

Change-Id: If2026c01b93de0ccc7c3f9112de07b3a9c01ac20
Merge "Add quantum support for baremetal virtual env."