Add metal to gates
Add metal to gates

Ensure metal voting job is not only in checks.

Change-Id: I2af76d6b4973b9c699afc54577b4359608b557bf

stackforge/os-ansible-deployment,openstack/openstack-ansible,stackforge/os-ansible-deployment,bunchc/openstack-ansible,openstack/openstack-ansible,bunchc/openstack-ansible