Patch merged into coreboot/master: 527f392 build system: move compiler runtime determination to xcompile

the following patch was just integrated into master:
commit 527f3923b0dc4a33b3be368107768792e09dc31e
Author: Patrick Georgi 
Date:   Thu Jun 4 13:31:38 2015 +0200

build system: move compiler runtime determination to xcompile

Instead of fetching libgcc's location and required compiler flags on every
    individual build, do it once in xcompile.

Change-Id: Ie5832fcb21710c4cf381ba475589d42ce0235f96
    Signed-off-by: Patrick Georgi 
    Signed-off-by: Edward O'Callaghan 
    Reviewed-on: http://review.coreboot.org/10425
    Tested-by: build bot (Jenkins)
    Reviewed-by: Edward O'Callaghan

See http://review.coreboot.org/10425 for details.

-gerrit