ref-manual: WIP - test for YOCTO #5600

(From yocto-docs rev: 3cd7d367d7ccb8314fea422303701f275d21d87a)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/ref-manual/ref-variables.xml

@@ -414,6 +414,11 @@
                     "<ulink url='&YOCTO_DOCS_BB_URL;#basic-syntax'>Basic Syntax</ulink>"
                     section in the BitBake User Manual for more information.
                 </para>
+<!--
+<para id='var-context-AVAILTUNES'>
+meta/conf/machine/include/<architecture>/arch-<architecture>.inc
+</para>
+-->
             </glossdef>
         </glossentry>