Patch merged into coreboot/master: b6fa61a northbridge/amd/amdmct: Fix burst write depth on K10 rev. D and later

the following patch was just integrated into master:
commit b6fa61a1216cc48a199335d9414698401d20dbf2
Author: Timothy Pearson 
Date:   Fri Feb 20 13:13:35 2015 -0600

northbridge/amd/amdmct: Fix burst write depth on K10 rev. D and later

The BKDG for K10 revision D and later processors recommends a smaller
    MCT burst write queue depth when using unganged memory.

TEST: Booted ASUS KFSN4-DRE with both Opteron 8356 and Opteron 2431
    processors.

Change-Id: I36718d4972c9d2d0bdd3274191503b5fcd803f15
    Signed-off-by: Timothy Pearson 
    Reviewed-on: http://review.coreboot.org/8500
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Kyösti Mälkki

See http://review.coreboot.org/8500 for details.

-gerrit