ref-manual: Added pythonnative class.

(From yocto-docs rev: 7b7215b3a6252196802f4ce372e39d37916c0487)

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

documentation/ref-manual/ref-classes.xml

@@ -1570,6 +1570,21 @@
     </para>
 </section>
 
+<section id='ref-classes-pythonnative'>
+    <title><filename>pythonnative.bbclass</filename></title>
+
+    <para>
+        The <filename>pythonnative</filename> causes the OpenEmbedded build
+        system to use the native version of Python, which is built by the
+        build system.
+        Normally, the OpenEmbedded build system uses the version of Python
+        that is built by the build host.
+        <note>
+            This class must be inherited by a recipe in order to be used.
+        </note>
+    </para>
+</section>
+
 <section id='ref-classes-distutils'>
     <title>Python Extensions - <filename>distutils.bbclass</filename></title>