Write explicit role & sctp-role fields in ASP configurations

Change-Id: I2d3cb4a6d2dec2d88491c6db2fc72269c827815d
diff --git a/virt-nitb/osmo-bsc.cfg b/virt-nitb/osmo-bsc.cfg
index bd674e7..f2ff115 100644
--- a/virt-nitb/osmo-bsc.cfg
+++ b/virt-nitb/osmo-bsc.cfg
@@ -6,6 +6,8 @@
 cs7 instance 0
  point-code 0.23.3
  asp asp-clnt-msc-0 2905 0 m3ua
+  role asp
+  sctp-role client
 network
  network country code 001
  mobile network code 01