Patch merged into coreboot/master: 0f0c720 exynos5420: ddr3: Cleanup init to use constants for directcmd

the following patch was just integrated into master:
commit 0f0c720621deacc3c51b409e10ea8100acc88c80
Author: David Hendricks 
Date:   Thu Aug 22 18:45:10 2013 -0700

exynos5420: ddr3: Cleanup init to use constants for directcmd

The old ddr3_mem_ctrl_init() for exynos5420 had hardcoded constants
    for accessing directcmd registers.  Modify to use #defines where
    possible.

This is ported from: https://gerrit.chromium.org/gerrit/#/c/65616
    Signed-off-by: David Hendricks

Change-Id: I01567fc6941608a570832de97259c55e84942d01
    Reviewed-on: https://gerrit.chromium.org/gerrit/66789
    Commit-Queue: David Hendricks 
    Tested-by: David Hendricks 
    Reviewed-by: Ronald G. Minnich 
    (cherry picked from commit d751e019f450172f060ce255ae53e972bc4a19ea)
    Signed-off-by: Isaac Christensen 
    Reviewed-on: http://review.coreboot.org/6605
    Tested-by: build bot (Jenkins)
    Reviewed-by: Edward O'Callaghan

See http://review.coreboot.org/6605 for details.

-gerrit