Patch merged into coreboot/master: d53b074 x86: include optional reference code blob in cbfs

the following patch was just integrated into master:
commit d53b074c0ab249283405ab1adfa347921285182f
Author: Aaron Durbin 
Date:   Thu Oct 24 08:55:51 2013 -0500

x86: include optional reference code blob in cbfs

In order to incorporate external blobs into
    CBFS besides MRC have a notion of a reference code
    blob. By selecting HAVE_REFCODE_BLOB and providing
    the file name the refcode blob will be added to
    cbfs as a stage file.

BUG=chrome-os-partner:22866
    BRANCH=None
    TEST=Using this option and other patches able to build,
         boot, and run blob code.

Change-Id: I472604d77f4cb48f286b5a76b25d8b5bfb0c7780
    Signed-off-by: Aaron Durbin 
    Reviewed-on: https://chromium-review.googlesource.com/174423
    Reviewed-by: Duncan Laurie

See http://review.coreboot.org/4895 for details.

-gerrit