added todo for support of submodules
added todo for support of submodules

Signed-off-by: rakeshgm <70295e58466e151ba586231beee66138799ae6ad@redhat.com>

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