Add missing required-projects for TripleO jobs using devstack-gate
Add missing required-projects for TripleO jobs using devstack-gate

A lot of TripleO jobs leverage devstack-gate and as such needs a
batch of required-projects, otherwise devstack-gate fails to retrieve
the projects when it bootstraps $PROJECTS.

Change-Id: I9cdc182ac5800e1566c04e6f21e454956d82ad33

openstack-infra/openstack-zuul-jobs,openstack-infra/openstack-zuul-jobs