Patch merged into coreboot/master: northbridge/amd/amdmct/mct_ddr3: Fix null pointer access and related hangs

the following patch was just integrated into master:
commit b7a8b8c6fb4a8b76942e1d8d1885c6f817376b65
Author: Timothy Pearson 
Date:   Fri Jun 26 12:17:48 2015 -0500

northbridge/amd/amdmct/mct_ddr3: Fix null pointer access and related hangs

Change-Id: Iaf826b6a0c8e929372519f6d97933515a80f0b39
    Signed-off-by: Timothy Pearson 
    Reviewed-on: http://review.coreboot.org/12009
    Tested-by: build bot (Jenkins)
    Reviewed-by: Alexandru Gagniuc

See http://review.coreboot.org/12009 for details.

-gerrit