ran emulation: allow multiple reset attempts

bsc-nat introduces a delay that will lead to failed tests, since the
reset attempt happens too early and times out, and the tests do not
retry.

Change-Id: I9f6db2a24e984eef31e76f9d42a80eb6a1bb6928
diff --git a/msc/BSC_ConnectionHandler.ttcn b/msc/BSC_ConnectionHandler.ttcn
index 7b3188a..c3426a4 100644
--- a/msc/BSC_ConnectionHandler.ttcn
+++ b/msc/BSC_ConnectionHandler.ttcn
@@ -260,6 +260,7 @@
 	protocol := RAN_PROTOCOL_BSSAP,
 	transport := BSSAP_TRANSPORT_AoIP,
 	use_osmux := false,
+	bssap_reset_retries := 1,
 	sccp_addr_local := omit,
 	sccp_addr_peer := omit
 }