add vty port nr for osmo-cscn
diff --git a/include/osmocom/vty/ports.h b/include/osmocom/vty/ports.h
index 2d791d5..5375ecf 100644
--- a/include/osmocom/vty/ports.h
+++ b/include/osmocom/vty/ports.h
@@ -14,3 +14,4 @@
 /* 4249-4251 used by control interface */
 #define OSMO_VTY_PORT_BTSMGR	4252
 #define OSMO_VTY_PORT_GTPHUB	4253
+#define OSMO_VTY_PORT_CSCN	4254