Add labconfig_data for MTV cell testbed.

MTV testbed still needs some work: the DUT cannot reach the GPIB box
through the backchannel, but I believe this configuration to be
correct.

BUG=chromium-os:23483
TEST=cellular_Smoke on cell=cam, labconfig_data unittests

Change-Id: Id8171b5d01b5b263f4be0367a9b5f8c55cd0ade1
Reviewed-on: https://gerrit.chromium.org/gerrit/13088
Reviewed-by: Jason Glasgow <jglasgow@chromium.org>
Commit-Ready: David Rochberg <rochberg@chromium.org>
Tested-by: David Rochberg <rochberg@chromium.org>
1 file changed