util/scripts: Update get_maintainer.pl to latest from linux kernel
This is version
03aed21 from linux/scripts, updated on Dec 12, 2016.
The version needs to be updated because Perl version 5.20 deprecated the
/C regex expression. Perl version 5.24 removed it completely, so the
old version fails to run on the coreboot builders.
Change-Id: Ib97997237ca64c65d7f91d568ae4bec000804331
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/18571
Tested-by: build bot (Jenkins)
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>