ports.h: Add 4268 for UECUPS VTY

Change-Id: I6c53654f06fac6b6b196be88178a918d38e91e46
diff --git a/include/osmocom/vty/ports.h b/include/osmocom/vty/ports.h
index 201e115..56f7307 100644
--- a/include/osmocom/vty/ports.h
+++ b/include/osmocom/vty/ports.h
@@ -34,4 +34,5 @@
 #define OSMO_VTY_PORT_HNBGW	4261
 /* 4262-4263 used by control interface */
 #define OSMO_VTY_PORT_CBC	4264
+#define OSMO_VTY_PORT_UECUPS	4268
 /* When adding/changing port numbers, keep docs and wiki in sync. See above. */