overview-manual: Added a few links to the "Poky" term.

(From yocto-docs rev: 34007b337ae0636156d64464d39470c9f20b78f0)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/overview-manual/overview-manual-intro.xml

@@ -25,9 +25,10 @@
                     Project.
                     You will learn about features and challenges of the
                     Yocto Project, the layer model, components and tools,
-                    development methods, the Poky reference distribution,
-                    the OpenEmbedded build system workflow, and some basic
-                    Yocto terms.
+                    development methods, the
+                    <ulink url='&YOCTO_DOCS_REF_URL;#poky'>Poky</ulink>
+                    reference distribution, the OpenEmbedded build system
+                    workflow, and some basic Yocto terms.
                     </para></listitem>
                 <listitem><para>
                     <emphasis><link linkend='overview-development-environment'>The Yocto Project Development Environment</link>:</emphasis>

documentation/overview-manual/overview-manual-yp-intro.xml

@@ -417,7 +417,8 @@
             and by those using the Yocto Project.
             These components and tools are open source projects and
             metadata that are separate from the reference distribution
-            (Poky) and the
+            (<ulink url='&YOCTO_DOCS_REF_URL;#poky'>Poky</ulink>)
+            and the
             <ulink url='&YOCTO_DOCS_REF_URL;#build-system-term'>OpenEmbedded build system</ulink>.
             Most of the components and tools are downloaded separately.
         </para>