Patch merged into coreboot/master: 09d27dd baytrail: add dunit access and registers

the following patch was just integrated into master:
commit 09d27ddaa60274e2ef7d81e9e170eadf55d52c1b
Author: Aaron Durbin 
Date:   Mon Sep 23 14:17:35 2013 -0500

baytrail: add dunit access and registers

The dunit on baytrail is the dram unit. Provide a means
    to access the configuration registers there using the
    proper IOSF mechanisms.

BUG=chrome-os-partner:22875
    BRANCH=none
    TEST=Built and booted. Able to read dram registers.

Change-Id: I4d5c019720a7883fe93f3e1860bcd57ce2ea6542
    Signed-off-by: Aaron Durbin 
    Reviewed-on: https://chromium-review.googlesource.com/170490

See http://review.coreboot.org/4853 for details.

-gerrit