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

Change-Id: I35d4cb0d173eec240bccc1f3a5965a774b7b3506
diff --git a/suites/aoip_debug/suite.conf b/suites/aoip_debug/suite.conf
index 48c76b6..bb343a5 100644
--- a/suites/aoip_debug/suite.conf
+++ b/suites/aoip_debug/suite.conf
@@ -1,6 +1,6 @@
 resources:
   ip_address:
-  - times: 4
+  - times: 5
   bts:
   - times: 1
   modem: