Updated openstack/openstack
Project: openstack-infra/devstack-gate  fddd175eddca6a291679eb6e34fd2df1113f41fa
null
Configure localrc for virtual-ironic tests

Add the DEVSTACK_GATE_VIRT_DRIVER option which, when set, will inject
the appropriate settings to localrc so that Nova will use the Ironic
driver and devstack will prepare the environment appropriately to test
it.

Change-Id: Ic722c871138c3cf18fc49477161e8d26c4531612