xcompile: Don't print error messages

Don't print error messages if an unpatched clang is detected.

Change-Id: If77722a40a59e99f01d121a0c43999f05f3c4421
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10554
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed