Changelog:
============
* Improve DOS/MBR extraction by adding support for 7z.
* Process objdump symbol comment filter inputs as the Python "bytes" type
(and not str).
* Add a missing RequiredToolNotFound import.
* Update copyright years.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>