Yocto 2.4

Move OpenBMC to Yocto 2.4(rocko)

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I12057b18610d6fb0e6903c60213690301e9b0c67
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/import-layers/yocto-poky/documentation/toaster-manual/toaster-manual-intro.xml b/import-layers/yocto-poky/documentation/toaster-manual/toaster-manual-intro.xml
index a408024..4e59e00 100644
--- a/import-layers/yocto-poky/documentation/toaster-manual/toaster-manual-intro.xml
+++ b/import-layers/yocto-poky/documentation/toaster-manual/toaster-manual-intro.xml
@@ -7,7 +7,7 @@
 
     <para>
         Toaster is a web interface to the Yocto Project's
-        <ulink url='&YOCTO_DOCS_DEV_URL;#build-system-term'>OpenEmbedded build system</ulink>.
+        <ulink url='&YOCTO_DOCS_REF_URL;#build-system-term'>OpenEmbedded build system</ulink>.
         The interface enables you to configure and run your builds.
         Information about builds is collected and stored in a database.
         You can use Toaster to configure and start builds on multiple