BSC_Tests_CBSP: use proper default values for mp_cbc_ip / mp_cbc_ip6

Otherwise it's impossible to run the CBSP test cases locally, because
the remote peer address in osmo-bsc gets set to '0.0.0.0', so indeed
it cannot establish connection to the server.

Change-Id: I5b1d215818255717ed955c9f1a9c45505ab11a65
Fixes: OS#5351
diff --git a/bsc/BSC_Tests_CBSP.ttcn b/bsc/BSC_Tests_CBSP.ttcn
index 6dd5bb7..8119289 100644
--- a/bsc/BSC_Tests_CBSP.ttcn
+++ b/bsc/BSC_Tests_CBSP.ttcn
@@ -41,8 +41,8 @@
 import from TELNETasp_PortType all;
 
 modulepar {
-	charstring mp_cbc_ip := "0.0.0.0";
-	charstring mp_cbc_ip6 := "::";
+	charstring mp_cbc_ip := "127.0.0.1";
+	charstring mp_cbc_ip6 := "::1";
 	integer mp_cbc_port := 48049;
 	charstring mp_bsc_cbsp_ip := "127.0.0.1";
 	charstring mp_bsc_cbsp_ip6 := "::1";