Patch merged into coreboot/master: 0127c6c AMD: Uniformly define MSRs for TOP_MEM and TOP_MEM2

the following patch was just integrated into master:
commit 0127c6c80865384faa43602bf22b3a70147343d9
Author: Kyösti Mälkki 
Date:   Thu Mar 5 14:35:04 2015 +0200

AMD: Uniformly define MSRs for TOP_MEM and TOP_MEM2

Make the build tolerate re-definitions.

Change-Id: Ia7505837c70b1f749262508b26576e95c7865576
    Signed-off-by: Kyösti Mälkki 
    Reviewed-on: http://review.coreboot.org/8609
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/8609 for details.

-gerrit