ref-manual: Added the multilib* class.

(From yocto-docs rev: df154cd0c0176c9d213ab03862b1fec41f94b4ec)

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

@@ -1131,6 +1131,22 @@
     </para>
 </section>
 
+<section id='ref-classes-multilib*'>
+    <title><filename>multilib*.bbclass</filename></title>
+
+    <para>
+        The Multilib (<filename>multilib*</filename>) classes provide support
+        for building libraries with different target optimizations or target
+        architectures and installing them side-by-side in the same image.
+    </para>
+
+    <para>
+        For more information on using the Multilib feature, see the
+        "<ulink url='&YOCTO_DOCS_DEV_URL;#combining-multiple-versions-library-files-into-one-image'>Combining Multiple Versions of Library Files into One Image</ulink>"
+        section in the Yocto Project Development Manual.
+    </para>
+</section>
+
 <section id='ref-classes-pkgconfig'>
     <title>Pkg-config - <filename>pkgconfig.bbclass</filename></title>