Updated git submodules

Updated git submodules

Project: releng/builder master d0035206a094f8a56711c02ab0f47fafee7cb454

Merge "Update l2gw csit with supported release combos"

Update l2gw csit with supported release combos

Update the l2gw/hwvtep test suite to cover the
supported Openstack/ODL release combos, to
match what is currently defined in netvirt
csit list.

Update ocata jobs to use devstack ocata image
(was newton...).

Change-Id: I3fd4a8c50b7aa329e18a9d57313484f3eda5b7ff
Signed-off-by: Victor Pickard <vpickard@redhat.com>