fix neutron-powervc debug utility issue
fix neutron-powervc debug utility issue

Fix the issue that neutron-powervc debug utility needs a conf file and
also remove other powervc python program needs to add config files
during startup, set the default configure file for ampq files if those
are not presented in CLI.

Closes-Bug: #1375618
Change-Id: Idfc1a43a5e583678106b8d1cbed2738c1863254c

stackforge/powervc-driver,openstack/powervc-driver,openstack/powervc-driver,stackforge/powervc-driver