Patch merged into coreboot/master: xcompile: Add parameter to aid in debugging

the following patch was just integrated into master:
commit d08eb062df653735778306cba5f8cfbe3a9dd740
Author: Martin Roth 
Date:   Tue Jan 19 08:50:23 2016 -0700

xcompile: Add parameter to aid in debugging

There was a report that xcompile wasn't finding the compilers correctly,
    so to aid in future debugging, this adds a parameter to show what
    xcompile is doing as it runs.

Run from the command line:
    ./util/xcompile/xcompile --debug

Change-Id: I779cb3de7b4e3f62a2ef2a6245c3538be518870c
    Signed-off-by: Martin Roth 
    Reviewed-on: https://review.coreboot.org/13047
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi 
    Reviewed-by: Paul Menzel

See https://review.coreboot.org/13047 for details.

-gerrit