Add VTY + CTRL ports for upcoming OsmoSMLC

We will soon have a minimal Serving Mobile Location Center.

Change-Id: Ic7e9c2196a03502cfd3d880a3090a5be80773945
diff --git a/include/osmocom/vty/ports.h b/include/osmocom/vty/ports.h
index cda6a55..b3550d1 100644
--- a/include/osmocom/vty/ports.h
+++ b/include/osmocom/vty/ports.h
@@ -36,4 +36,5 @@
 #define OSMO_VTY_PORT_CBC	4264
 #define OSMO_VTY_PORT_UECUPS	4268
 #define OSMO_VTY_PORT_E1D	4269
+#define OSMO_VTY_PORT_SMLC	4271
 /* When adding/changing port numbers, keep docs and wiki in sync. See above. */