Patch merged into coreboot/master: nb/amd/amdmct/mct_ddr3: Force DRAM retraining on every boot

the following patch was just integrated into master:
commit eb295a3e69483aab2ee4ce1231f1e2e6c6cd9982
Author: Timothy Pearson 
Date:   Fri Aug 7 23:59:33 2015 -0500

nb/amd/amdmct/mct_ddr3: Force DRAM retraining on every boot

Stability issues have arisen on multiple Family 15h systems
    when configuration restoration is enabled.  In all cases these
    stability issues resolved by allowing the RAM to go through a
    full training cycle.

Change-Id: I017e0dd5120110124d5b5d5276befef6f7740614
    Signed-off-by: Timothy Pearson 
    Reviewed-on: http://review.coreboot.org/12034
    Tested-by: build bot (Jenkins)
    Tested-by: Raptor Engineering Automated Test Stand 
    Reviewed-by: Felix Held

See http://review.coreboot.org/12034 for details.

-gerrit