src: Remove non-ascii characters

Change-Id: Iedb78e24a286a51830c85724af0179995ed553be
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/26434
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
8 files changed