Add scenarios for each osmo-bts-trx type

This way we can run tests with a specific instance of an osmo-bts-trx,
for instance we may want to run some tests with an Ettus B200 and also
with a sysmoCell 5000.

Change-Id: I5fd78d79b8bfab8ccacc4666563b66b6da9f2bde
diff --git a/example/default-suites.conf b/example/default-suites.conf
index eba7dea..72a90db 100644
--- a/example/default-suites.conf
+++ b/example/default-suites.conf
@@ -1,6 +1,6 @@
 - sms:sysmo
 - aoip_sms:sysmo
-- sms:trx
-- aoip_sms:trx
+- sms:trx-b200
+- aoip_sms:trx-b200
 - smpp
 - aoip_smpp