documentation/kernel-manual: Modified to call new chapter structure.

The make process for the kernel book now includes multiple chapters instead of a single chapter.

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>

documentation/kernel-manual/kernel-manual.xml

@@ -49,7 +49,11 @@
 
     </bookinfo>
 
-    <xi:include href="yocto-project-kernel-manual.xml"/>
+    <xi:include href="kernel-doc-intro.xml"/>
+
+    <xi:include href="kernel-concepts.xml"/>
+
+    <xi:include href="kernel-how-to.xml"/>
 
 <!--    <index id='index'>
       <title>Index</title>