ranap: add non-spec X1001

When the SGSN releases a RANAP connection, it sends a Release Command
and waits for a Release Complete. Use X1001 to release the Iu connection
when the Release Complete is lost/never received.

Change-Id: I39a0169c22a4ac430b3d6f3c281d1f381eaa4756
diff --git a/tests/test_nodes.vty b/tests/test_nodes.vty
index b9cf91e..18bccc8 100644
--- a/tests/test_nodes.vty
+++ b/tests/test_nodes.vty
@@ -12,6 +12,7 @@
 T3386 = 8 s	Wait for MODIFY PDP CTX ACK timer (s) (default: 8 s)
 T3395 = 8 s	Wait for DEACT PDP CTX ACK timer (s) (default: 8 s)
 T3397 = 8 s	Wait for DEACT AA PDP CTX ACK timer (s) (default: 8 s)
+X1001 = 5 s	RANAP Release timeout. Wait for RANAP Release Complete.On expiry release Iu connection (s) (default: 5 s)
 X3314 = 44 s	Iu User inactivity timer. On expiry release Iu connection (s) (default: 44 s)
 OsmoSGSN# configure terminal
 OsmoSGSN(config)# list