Prepare for docker image release for all RICP repos

Two changes for preparing for docker image release on JJB
definitions for repos that produce docker iamges:
1. per ToC meetiing on 11/13, we need to prefix docker image name
   with o-ran-sc;
2. define a self-service docker image release job.

Change-Id: I06abb9c5439b61b94a8946170aaadff64235b714
Signed-off-by: wrider <lji@research.att.com>