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/src/osmo_gsm_tester/osmo_msc.py b/src/osmo_gsm_tester/osmo_msc.py
index 3ff2d6a..0e458fe 100644
--- a/src/osmo_gsm_tester/osmo_msc.py
+++ b/src/osmo_gsm_tester/osmo_msc.py
@@ -35,12 +35,12 @@
     encryption = None
     authentication = None
 
-    def __init__(self, suite_run, hlr, mgcpgw, stp, ip_address):
+    def __init__(self, suite_run, hlr, mgw, stp, ip_address):
         super().__init__(log.C_RUN, 'osmo-msc_%s' % ip_address.get('addr'))
         self.suite_run = suite_run
         self.ip_address = ip_address
         self.hlr = hlr
-        self.mgcpgw = mgcpgw
+        self.mgw = mgw
         self.stp = stp
         self.smsc = smsc.Smsc((ip_address.get('addr'), 2775))
 
@@ -76,7 +76,7 @@
         values = dict(msc=config.get_defaults('msc'))
         config.overlay(values, self.suite_run.config())
         config.overlay(values, dict(msc=dict(ip_address=self.ip_address)))
-        config.overlay(values, self.mgcpgw.conf_for_msc())
+        config.overlay(values, self.mgw.conf_for_client())
         config.overlay(values, self.hlr.conf_for_client())
         config.overlay(values, self.stp.conf_for_client())
         config.overlay(values, self.smsc.get_config())