Prepare for docker image release for all RICP repos

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>