gbproxy: Add FSM related VTY commands

Change-Id: Id84ce52722d705eb25a12ee6f108ad3107a9f8d2

src/gbproxy/gb_proxy_main.c

@@ -254,6 +254,7 @@ int main(int argc, char **argv)
 	logging_vty_add_cmds();
 	osmo_talloc_vty_add_cmds();
 	osmo_stats_vty_add_cmds();
+	osmo_fsm_vty_add_cmds();
 	gbproxy_vty_init();
 
 	handle_options(argc, argv);