Add upper-constraints needed by oom

See comment in https://gerrit.onap.org/r/c/oom/+/130716

Issue-ID: DOC-798

Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
Change-Id: I21a035b8c9d7503dc6e82606da3c5dc5a0ccc477
1 file changed