Patch merged into coreboot/master: buildgcc: Move all toolchain build targets to util/crossgcc

the following patch was just integrated into master:
commit d5779c15eb297bd544ac0dd5144b09e6ac0e9023
Author: Stefan Reinauer 
Date:   Fri Jan 29 17:48:47 2016 -0800

buildgcc: Move all toolchain build targets to util/crossgcc

There is a lot of potential to completely get rid of Makefile
    and keep everything in Makefile.inc, but for now this declutters
    the main Makefile.inc.

Change-Id: I653313c74207f955514c036c81efcbfd988827c9
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: https://review.coreboot.org/13518
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/13518 for details.

-gerrit