[coreboot-gerrit] Patch merged into coreboot/master: d07ff9e build system: only query the compiler runtime's location once

the following patch was just integrated into master:
commit d07ff9eb27a6b96e19e108eb25f1ac9dd79f8efd
Author: Patrick Georgi 
Date:   Mon May 25 20:12:59 2015 +0200

build system: only query the compiler runtime's location once

No need to execute the compiler to figure this out once for each
    source file (or so).

Change-Id: I56bf084f1217b96748296931617e9233f21183d5
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/10294
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/10294 for details.

-gerrit