Patch merged into coreboot/master: xcompile: also look for *-linux compiler triplet

the following patch was just integrated into master:
commit a1a6f7535b004de71e894946321b9c1b1d34e57d
Author: Patrick Georgi 
Date:   Mon Jan 25 18:15:45 2016 +0100

xcompile: also look for *-linux compiler triplet

Not just *-linux-gnu.

Change-Id: Ib817c6d207d3b69ce7595505f2b45f3be35b7d2f
    Signed-off-by: Patrick Georgi 
    Reviewed-on: https://review.coreboot.org/13420
    Reviewed-by: Ronald G. Minnich 
    Tested-by: build bot (Jenkins)

See https://review.coreboot.org/13420 for details.

-gerrit