Patch merged into coreboot/master: mainboard/amd: add license headers

the following patch was just integrated into master:
commit abe40e0664eb91bac963692cf1566b9c243711e8
Author: Noah Glovsky 
Date:   Tue Apr 19 14:55:38 2016 -0600

mainboard/amd: add license headers

Change-Id: Ida8e81c88b2016d90cc8305edfb199143f859ec2
    Signed-off-by: Noah Glovsky 
    Reviewed-on: https://review.coreboot.org/14422
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/14422 for details.

-gerrit