Patch merged into coreboot/master: northbridge/amd/amdmct/mct_ddr3: Attempt to recover from phy training errors

the following patch was just integrated into master:
commit 9426e4fcf5f49c46fa1e5cbe9fc38d2575cfdb62
Author: Timothy Pearson 
Date:   Thu Jun 25 18:08:53 2015 -0500

northbridge/amd/amdmct/mct_ddr3: Attempt to recover from phy training errors

AMD's automatic phy phase detection hardware is very fragile and often
    produces incorrect results.  Attempt to recover from obvious phase
    locking errors by retrying phy training on the failing link.

Change-Id: Ia2c3022534c9ad44714eef6e118869f054bd9f6b
    Signed-off-by: Timothy Pearson 
    Reviewed-on: http://review.coreboot.org/12006
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer 
    Reviewed-by: Alexandru Gagniuc

See http://review.coreboot.org/12006 for details.

-gerrit