Configure bsc and msc to connect to the specific stp provided in test

Change-Id: I89deaa71956131766fec8fcc3bc7381ebb0e187f
diff --git a/src/osmo_gsm_tester/templates/osmo-bsc.cfg.tmpl b/src/osmo_gsm_tester/templates/osmo-bsc.cfg.tmpl
index 2f06710..1b21e63 100644
--- a/src/osmo_gsm_tester/templates/osmo-bsc.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/osmo-bsc.cfg.tmpl
@@ -15,6 +15,11 @@
  ipa bind ${bsc.ip_address.addr}
 cs7 instance 1
  point-code 0.0.2
+ asp asp0 2905 0 m3ua
+  remote-ip ${stp.ip_address.addr}
+ as as0 m3ua
+  asp asp0
+  routing-key 2 0.0.2
  sccp-address bsc_local
   point-code 0.0.2
   routing-indicator PC