osmo-msc: Use osmo-mgw instead of osmo-bsc_mgcp

osmo-msc now requires osmo-mgw and it's not expected to work properly
anymore with old mgcp code.

Change-Id: I93033f7b6133a4914f12f37511ad870b3dea3201
diff --git a/suites/aoip_smpp/esme_connect_policy_closed.py b/suites/aoip_smpp/esme_connect_policy_closed.py
index 263b428..487e5a4 100755
--- a/suites/aoip_smpp/esme_connect_policy_closed.py
+++ b/suites/aoip_smpp/esme_connect_policy_closed.py
@@ -13,9 +13,9 @@
 
 hlr = suite.hlr()
 bts = suite.bts()
-mgcpgw = suite.mgcpgw(bts_ip=bts.remote_addr())
+mgw_msc = suite.mgw()
 stp = suite.stp()
-msc = suite.msc(hlr, mgcpgw, stp)
+msc = suite.msc(hlr, mgw_msc, stp)
 smsc = msc.smsc
 
 esme = suite.esme()
@@ -29,7 +29,7 @@
 stp.start()
 hlr.start()
 msc.start()
-mgcpgw.start()
+mgw_msc.start()
 
 log('Test with correct credentials (no password)')
 esme_no_pwd.connect()