Patch merged into coreboot/master: superio: use common x86 code on x86-64

the following patch was just integrated into master:
commit 36b78852e22fbef1d03ae5929ac8b8453ba561ec
Author: Stefan Reinauer 
Date:   Thu Jun 18 22:02:24 2015 -0700

superio: use common x86 code on x86-64

Change-Id: I2ddb5a8b183b21cbd3c3b22c537b815e86bd4738
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: http://review.coreboot.org/10592
    Tested-by: build bot (Jenkins)
    Reviewed-by: Marc Jones

See http://review.coreboot.org/10592 for details.

-gerrit