Adds ability to override images in osh and osh-i repositories
if docker_images dict is provided with tags following zuul-jobs
upload-docker-image naming convention.
This allows to inherit osh job from osh-images project providing
required vars.
Change-Id: I5e7acb0dd0edd6838b6f7ddb5111db0fa34912d4
Signed-off-by: Andrii Ostapenko <andrii.ostapenko@att.com>
0ff44fc155