Patch merged into coreboot/master: amd/amdmct/mct_ddr3: Set prefetch double stride to improve performance

the following patch was just integrated into master:
commit 0d2fdeb36afdd3cfd7576b4c2fb79e134bb58630
Author: Timothy Pearson 
Date:   Sat Aug 8 20:29:55 2015 -0500

amd/amdmct/mct_ddr3: Set prefetch double stride to improve performance

Change-Id: I34ad85388c6b71f0d44bee13afd663e0b84545cd
    Signed-off-by: Timothy Pearson 
    Reviewed-on: http://review.coreboot.org/12037
    Tested-by: build bot (Jenkins)
    Reviewed-by: Felix Held

See http://review.coreboot.org/12037 for details.

-gerrit