docs: replace legacy NS with new NS2 chapters

osmo-sgsn already switched to the new NS2 code. Use the correct
NS2 chapter

Change-Id: I9cc86d234e029b5192e36aeb14b0e39d1496842d
---
M doc/manuals/osmosgsn-usermanual-docinfo.xml
M doc/manuals/osmosgsn-usermanual.adoc
2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/doc/manuals/osmosgsn-usermanual-docinfo.xml b/doc/manuals/osmosgsn-usermanual-docinfo.xml
index afbf109..f8d43e9 100644
--- a/doc/manuals/osmosgsn-usermanual-docinfo.xml
+++ b/doc/manuals/osmosgsn-usermanual-docinfo.xml
@@ -15,6 +15,14 @@
       Conversion to asciidoc, removal of sysmoBTS specific parts.
     </revremark>
   </revision>
+  <revision>
+    <revnumber>3</revnumber>
+    <date>April 2024</date>
+    <authorinitials>AC</authorinitials>
+    <revremark>
+      Replace NS chapter with new NS2 chapter to match the code.
+    </revremark>
+  </revision>
 </revhistory>
 
 <authorgroup>
@@ -29,6 +37,17 @@
       <jobtitle>Managing Director</jobtitle>
     </affiliation>
   </author>
+  <author>
+    <firstname>Alexander</firstname>
+    <surname>Couzens</surname>
+    <email>acouzens@sysmocom.de</email>
+    <authorinitials>AC</authorinitials>
+    <affiliation>
+      <shortaffil>sysmocom</shortaffil>
+      <orgname>sysmocom - s.f.m.c. GmbH</orgname>
+      <jobtitle>Developer</jobtitle>
+    </affiliation>
+  </author>
 </authorgroup>
 
 <copyright>
diff --git a/doc/manuals/osmosgsn-usermanual.adoc b/doc/manuals/osmosgsn-usermanual.adoc
index 610704a..781e4d3 100644
--- a/doc/manuals/osmosgsn-usermanual.adoc
+++ b/doc/manuals/osmosgsn-usermanual.adoc
@@ -21,7 +21,7 @@
 
 include::./common/chapters/cs7-config.adoc[]
 
-include::./common/chapters/gb.adoc[]
+include::./common/chapters/gb-ns2.adoc[]
 
 include::./common/chapters/control_if.adoc[]
 

