aoip: add osmo-stp, now required for aoip runs

Change-Id: I35d4cb0d173eec240bccc1f3a5965a774b7b3506
diff --git a/src/osmo_gsm_tester/templates/osmo-stp.cfg.tmpl b/src/osmo_gsm_tester/templates/osmo-stp.cfg.tmpl
new file mode 100644
index 0000000..eb6ac1d
--- /dev/null
+++ b/src/osmo_gsm_tester/templates/osmo-stp.cfg.tmpl
@@ -0,0 +1,16 @@
+! Configuration rendered by osmo-gsm-tester
+log stderr
+ logging filter all 1
+ logging color 1
+ logging print category 1
+ logging print extended-timestamp 1
+ logging level all debug
+line vty
+ no login
+ bind ${stp.ip_address.addr}
+!ctrl
+! bind ${stp.ip_address.addr}
+cs7 instance 0
+ xua rkm routing-key-allocation dynamic-permitted
+ listen m3ua 2905
+  accept-asp-connections dynamic-permitted