openstack: sync with new teuthology-suite arguments
openstack: sync with new teuthology-suite arguments

Signed-off-by: Loic Dachary <5971e5274f1f0ba5329cf4a93393d8fbe5224c44@redhat.com>

ktdreyer/teuthology,dmick/teuthology,ceph/teuthology,SUSE/teuthology,dmick/teuthology,ktdreyer/teuthology,SUSE/teuthology,SUSE/teuthology,ceph/teuthology,dmick/teuthology