vty/command.h: Introduce VTY nodes for libosmo-sigtran

This adds several VTY nodes required by the libosmo-sigtran VTY
interface.

Change-Id: I184a7e3187b48c15c71bf773f86e188fe1daad15
diff --git a/include/osmocom/vty/command.h b/include/osmocom/vty/command.h
index 135ef2f..b39bbf7 100644
--- a/include/osmocom/vty/command.h
+++ b/include/osmocom/vty/command.h
@@ -85,6 +85,14 @@
 	L_BSSGP_NODE,		/*!< \brief BSSGP node in libosmo-gb. */
 	L_CTRL_NODE,		/*!< \brief Control interface node. */
 
+	L_CS7_NODE,		/*!< \brief SS7 root node */
+	L_CS7_AS_NODE,		/*!< \brief SS7 Application Server */
+	L_CS7_ASP_NODE,		/*!< \brief SS7 Application Server Process */
+	L_CS7_XUA_NODE,		/*!< \brief SS7 xUA Listener */
+	L_CS7_RTABLE_NODE,	/*!< \brief SS7 Routing Table */
+	L_CS7_LINK_NODE,	/*!< \brief SS7 Link */
+	L_CS7_LINKSET_NODE,	/*!< \brief SS7 Linkset */
+
 	/*
 	 * When adding new nodes to the libosmocore project, these nodes can be
 	 * used to avoid ABI changes for unrelated projects.