Enable config-options for rpm tempest
Enable config-options for rpm tempest

Allows to pass user defined options to the
rpm tempest configuration.

Resolves: RHOSINFRA-471

Change-Id: I2976221538ce4b45308b895a188e9037fada4ca5

redhat-openstack/infrared,redhat-openstack/infrared,redhat-openstack/infrared,okolisny/InfraRed,okolisny/InfraRed,okolisny/InfraRed