vty: add attributes to VTY commands indicating when they apply

Change-Id: I63978ce3ea87593c9a41e503ed3b761c64e1e80f
Related: SYS#4937, OS#1601
diff --git a/src/pcu_vty.h b/src/pcu_vty.h
index 2097561..45d3227 100644
--- a/src/pcu_vty.h
+++ b/src/pcu_vty.h
@@ -16,5 +16,12 @@
 
 extern struct vty_app_info pcu_vty_info;
 
+enum bsc_vty_cmd_attr {
+	PCU_VTY_ATTR_NEW_TBF = 0,
+	PCU_VTY_ATTR_NEW_SUBSCR,
+	PCU_VTY_ATTR_NS_RESET,
+	/* NOTE: up to 32 entries */
+};
+
 #endif /* _PCU_VTY_H */