Patch merged into coreboot/master: 24f9cb9 crossgcc: Add x86_64 to list of supported architectures

the following patch was just integrated into master:
commit 24f9cb91d0c4d55fe1cadaa3a913a14506412cdd
Author: Stefan Reinauer 
Date:   Fri Mar 13 22:50:22 2015 +0100

crossgcc: Add x86_64 to list of supported architectures

You can build your new toolchain with:
      $ cd util/crossgcc/
      $ ./buildgcc -d /opt/cross -p x86_64-elf -j 16
    or
      $ make crossgcc-x64

Change-Id: I8eb584166294578d2b33c63e94ed3aca9b5de4f4
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: http://review.coreboot.org/8668
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/8668 for details.

-gerrit