Add compute_controller_list to multinode testbed Per compute of control nodes can be provisioned ny this
Add compute_controller_list to multinode testbed
Per compute of control nodes can be provisioned ny this

Change-Id: Ic5b3de0293078a30e27708819b1588029b85216e
Partial-Bug: #1709059

Juniper/contrail-fabric-utils,Juniper/contrail-fabric-utils