[coreboot-gerrit] Patch merged into coreboot/master: nb/amd/mct_ddr3: Add Family 15h tristate enable codes

the following patch was just integrated into master:
commit 5edc6695f8fb129a89a80af592b8b3342377a871
Author: Timothy Pearson 
Date:   Thu Aug 27 23:37:38 2015 -0500

nb/amd/mct_ddr3: Add Family 15h tristate enable codes

The Family 15h DRAM initialization did not set up the various
    tristate enable codes in the MCT.

Add Family 15h tristate enable setup.  This fixes multiple
    DIMMs on a single channel.

Change-Id: I0278656e98461882d0a64519dfde54a6cf28ab0f
    Signed-off-by: Timothy Pearson 
    Reviewed-on: https://review.coreboot.org/12060
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth 
    Tested-by: Raptor Engineering Automated Test Stand

See https://review.coreboot.org/12060 for details.

-gerrit