Patch merged into coreboot/master: cpu: x86 port to 64bit

the following patch was just integrated into master:
commit e021dea777e87180d76ad6ac89f9b54b5f1111ad
Author: Stefan Reinauer 
Date:   Thu Jun 18 01:15:27 2015 -0700

cpu: x86 port to 64bit

Change-Id: Ib1c6732d3a338f6d898fadc19e5af59032343451
    Signed-off-by: Stefan Reinauer 
    Signed-off-by: Scott Duplichan 
    Reviewed-on: http://review.coreboot.org/10580
    Tested-by: build bot (Jenkins)
    Reviewed-by: Marc Jones

See http://review.coreboot.org/10580 for details.

-gerrit