Patch merged into coreboot/master: Port AGESA based northbridge code to 64bit

the following patch was just integrated into master:
commit 77a1d1adaec157d6d3542cd92ac2b6cf2dc40938
Author: Stefan Reinauer 
Date:   Tue Jul 21 12:48:17 2015 -0700

Port AGESA based northbridge code to 64bit

This is extending http://review.coreboot.org/#/c/10583/
    (29e6548) to the remaining AGESA northbridge drivers.

Change-Id: I6fa53b36a1420e92cb4aecb0f7b4c71541a94c71
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: http://review.coreboot.org/11021
    Tested-by: build bot (Jenkins)
    Reviewed-by: Alexandru Gagniuc 
    Reviewed-by: Ronald G. Minnich

See http://review.coreboot.org/11021 for details.

-gerrit