[coreboot-gerrit] Patch merged into coreboot/master: build system / amd64: Avoid GCC taking the ABI spec too literally

the following patch was just integrated into master:
commit 668210966887a9d8e1dd7cb5df5103d11b46798a
Author: Patrick Georgi 
Date:   Wed Jul 8 18:12:49 2015 +0200

build system / amd64: Avoid GCC taking the ABI spec too literally

-mno-red-zone is an option that pretty much every barebone software package
    (eg. kernel, bootloader, ...) needs to use.
    We weren't hurt by it yet, but make sure we won't in the future.

Change-Id: Ide5b63424ec1be5bf7bcade10540190b9871593b
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/10852
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See http://review.coreboot.org/10852 for details.

-gerrit