Now it's possible to add a priority for each repo through
--repo-priority on command line and cfg file as well.
This is need because of the usage of ceph mirror and to force the
images to use ceph packages on that repo.
Test plan:
Docker images build succeeded.
stx-openstack apply succeeded.
Closes-Bug: #1949518
Signed-off-by: Delfino Curado <delfinogomes.curadofilho@windriver.com>
Change-Id: I202904dccdd727a05bb4d621c4ad735f60221b81
965e897c71