add the ansible role for ssl to the roles gate
add the ansible role for ssl to the roles gate

the ssl role was missing from the gate. This role is now
active again and needs to be gated.

Change-Id: I816b1035d6508c1495a040e1eb6a203c80099a64

rdo-infra/ci-config,redhat-openstack/rdo-infra,redhat-openstack/rdo-infra,rdo-infra/ci-config,redhat-openstack/rdo-infra,redhat-openstack/rdo-infra,rdo-infra/ci-config,rdo-infra/ci-config