So far we do not have any test coverage for TCI (the TCG interpreter) yet.
Thus let's add a CI pipeline that runs at least some basic TCG tests with
a TCI build, to make sure that there are no further regressions.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190410123550.2362-1-thuth@redhat.com>