Set noop dhcp provider for ironicclient func tests
Set noop dhcp provider for ironicclient func tests

This environment doesn't have devstack, don't use neutron as a DHCP
provider. We don't actually DHCP in this environment, but the noop
network interface isn't compatible with it.

Change-Id: I0dbacf36cb1f9bc513481fae3a7282037769ef01
Depends-On: If601934d0c59b5dd5556336e5644832dc7564548
Closes-Bug: #1648179

Tesora/tesora-project-config,Tesora/tesora-project-config,openstack-infra/project-config,openstack-infra/project-config