Add roles for designate bind9 backend

Change-Id: I7dab1f960b8659b331174ee8bd916949f8f74e7f
diff --git "a/\173\173 cookiecutter._env_name \175\175/features/designate/system.yml" "b/\173\173 cookiecutter._env_name \175\175/features/designate/system.yml"
index f867363..d4ad7f6 100644
--- "a/\173\173 cookiecutter._env_name \175\175/features/designate/system.yml"
+++ "b/\173\173 cookiecutter._env_name \175\175/features/designate/system.yml"
@@ -14,6 +14,8 @@
     worker:
       enabled: ${_param:designate_worker_enabled}
     server:
+      quota:
+        zones: ${_param:designate_quota_zones}
       pools:
         default:
           description: 'test pool'