Patch merged into coreboot/master: 32a5a5f buildgcc: support DESTDIR for libelf

the following patch was just integrated into master:
commit 32a5a5f467e6a69647912cecc4fee9e8fc7cfea3
Author: Patrick Georgi 
Date:   Sat Nov 29 14:43:35 2014 +0100

buildgcc: support DESTDIR for libelf

The libelf build system doesn't support the
    DESTDIR variable. Work around by mangling prefix
    when installing.

Change-Id: I3a56eb2bf919bcb9b586b945dce26a02dbaff931
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/7613
    Tested-by: build bot (Jenkins)
    Reviewed-by: Edward O'Callaghan 
    Reviewed-by: Paul Menzel

See http://review.coreboot.org/7613 for details.

-gerrit