gbproxy: change osmo-gbproxy.cfg to support ns2 vty2

All test case (except 3 which fails on jenkins as well) succeed.

Change-Id: I1c3fde35cec7fa0adf2bef7659dfc19bf301ffa9
diff --git a/gbproxy/osmo-gbproxy.cfg b/gbproxy/osmo-gbproxy.cfg
index 350ddf5..52362b0 100644
--- a/gbproxy/osmo-gbproxy.cfg
+++ b/gbproxy/osmo-gbproxy.cfg
@@ -8,11 +8,11 @@
 gbproxy
  sgsn nsei 101
 ns
- nse 101 nsvci 101
- nse 101 remote-role sgsn
- nse 101 encapsulation udp
- nse 101 remote-ip 127.0.0.1
- nse 101 remote-port 7777
+ bind udp local
+  listen 127.0.0.1 23000
+  accept-ipaccess
+ nse 101
+  nsvc ipa local 127.0.0.1 7777 nsvci 101
  timer tns-block 3
  timer tns-block-retries 3
  timer tns-reset 3
@@ -20,6 +20,3 @@
  timer tns-test 30
  timer tns-alive 3
  timer tns-alive-retries 10
- encapsulation udp local-ip 127.0.0.1
- encapsulation udp local-port 23000
- encapsulation framerelay-gre enabled 0