Patch merged into coreboot/master: nb/amd/amdmct/mct_ddr3: Use StopOnError to decrease training time

the following patch was just integrated into master:
commit 309303884cc755f94aba731ad1821f49a3ea3899
Author: Timothy Pearson 
Date:   Thu Sep 3 18:59:53 2015 -0500

nb/amd/amdmct/mct_ddr3: Use StopOnError to decrease training time

There is no need to continue testing a DCT configuration after
    data errors have already been detected; this just wastes time
    during boot.

Change-Id: I979e27c32a3e0b101590fba0de3d7a25d6fc44d2
    Signed-off-by: Timothy Pearson 
    Reviewed-on: https://review.coreboot.org/12066
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/12066 for details.

-gerrit