Add VTY reference for osmo-sip-connector

Ticket: OS#1684
Change-Id: I1045c20dd7234d425836ba93fa292a35ccddc7fd

doc/manuals/Makefile

@@ -0,0 +1,6 @@
+TOPDIR = ..
+
+VTY_REFERENCE = osmosipconnector-vty-reference.xml
+include $(TOPDIR)/build/Makefile.vty-reference.inc
+
+include $(TOPDIR)/build/Makefile.common.inc

doc/manuals/osmosipconnector-vty-reference.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ex:ts=2:sw=42sts=2:et
+  -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+-->
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML 5.0//EN"
+"http://docbook.org/xml/5.0/dtd/docbook.dtd" [
+<!ENTITY chapter-vty      SYSTEM      "../common/chapters/vty.xml" >
+<!ENTITY sections-vty     SYSTEM      "generated/docbook_vty.xml"  >
+]>
+
+<book>
+  <info>
+    <revhistory>
+        <revision>
+            <revnumber>v1</revnumber>
+            <date>21st August 2018</date>
+            <authorinitials>dw</authorinitials>
+            <revremark>Initial</revremark>
+        </revision>
+    </revhistory>
+
+    <title>OsmoSIPConnector VTY Reference</title>
+
+    <copyright>
+      <year>2018</year>
+    </copyright>
+
+    <legalnotice>
+      <para>This work is copyright by <orgname>sysmocom - s.f.m.c. GmbH</orgname>. All rights reserved.
+      </para>
+    </legalnotice>
+  </info>
+
+  <!-- Main chapters-->
+  &chapter-vty;
+</book>
+

doc/manuals/vty/sipconn_vty_additions.xml

@@ -0,0 +1,2 @@
+<vtydoc xmlns='urn:osmocom:xml:libosmocore:vty:doc:1.0'>
+</vtydoc>