Update recommended devstack ENABLED_SERVICES value
Update recommended devstack ENABLED_SERVICES value

Change-Id: I4aa38e9014928fcc672a78f97bd5d47d83570b78

openstack/congress,ramineni/my_congress,openstack/congress,ekcs/congress,ekcs/congress,ekcs/congress,ekcs/congress,ramineni/my_congress,ramineni/my_congress,ramineni/my_congress