Fixes: fab join_cluster aborts for adding redhat node to ha cluster

Fixing the call to modify zookeeper config to the wrapper call
due to code change.

Change-Id: Ic2c64be4698dc35d02bc5d9e36a53b9cd26923c7
Closes-Bug: 1654151

contrail_provisioning/database/setup.py

@@ -296,7 +296,7 @@ def main(args_str = None):
 
 def update_zookeeper_servers(args_str = None):
     database = DatabaseSetup(args_str)
-    database.fix_zookeeper_servers_config()
+    database.fixup_zookeeper_configs()
     database.fixup_kafka_server_properties(database.database_listen_ip)
 
 def restart_zookeeper_server(args_str = None):