*/osmo-stp.cfg: Explicitly define role & sctp-role

 It was recently decided it's a good practice to always specify the role
 and sctp-role for all ASPs configured in the VTY, since it's an
 important configuration providing feedback on the network setup
 expectancies.

Change-Id: If48ca06f2cc3c0986daa5f6264d80138d468332a
diff --git a/sgsn/osmo-stp.cfg b/sgsn/osmo-stp.cfg
index bf1148f..7823f2a 100644
--- a/sgsn/osmo-stp.cfg
+++ b/sgsn/osmo-stp.cfg
@@ -39,6 +39,8 @@
  asp virt-rnc0-0 23908 2905 m3ua
   local-ip 127.0.0.200
   remote-ip 127.0.0.103
+  role sg
+  sctp-role server
  as virt-rnc0 m3ua
   asp virt-rnc0-0
   routing-key 2 0.24.3