no-tls: add missing endpoint for Designate
no-tls: add missing endpoint for Designate

Containerized undercloud without SSL is now failing because of this
missing. The file was added here:
Ia4fb60e2e88cd0f28dd254bb18b3959a9732a7ce

But in the meantime, Designate was implemented.

Change-Id: Ib0ccbe722c61074fb140df6a879e0558be710438

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,dprince/tripleo-heat-templates