Fix prefix for OCP service-catalog prefix

roles/openshift_service_catalog/vars/openshift-enterprise.yml

@@ -1,3 +1,3 @@
 ---
-__openshift_service_catalog_image_prefix: "registry.access.redhat.com/openshift3/"
+__openshift_service_catalog_image_prefix: "registry.access.redhat.com/openshift3/ose-"
 __openshift_service_catalog_image_version: "3.6.0"