keystone/ldap: add missing cloud name
keystone/ldap: add missing cloud name

... or Ansible will use the default "openstack" cloud, which isn't good.
We need to create domains in the actual overcloud.

Change-Id: I129d7355364c87c40f51372b402620790a31ec81

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