Configure each osmo-* program to send GSMTAP log output to the IP of the
docker container, which runs the testsuite (and therefore runs tcpdump).
Related: https://lists.osmocom.org/pipermail/openbsc/2019-June/012946.html
Change-Id: I99e74f6ffb5b7d566cec35995bf067df414968d8
OsmoPCU needs to have the gb-dialect parameter configured right from
startup. This means we'll split the ttcn3-pcu-test into two suites,
similarly to how we deal with AoIP / SCCPlite in the ttcn3-bsc-test.
Change-Id: I6e844f9ac4b87e801661fb1a1bdd25a15148f474