minizip: bump to version 2.5.3

minizip: bump to version 2.5.3

- Move to cmake infrastructure
- Do not enforce zlib dependency
- Add optional bzip2 dependency
- Add mandatory host-pkgconf and libbsd dependency
- Remove miniunzip from Config.in, miniunzip (miniunz) has been merged
  with minizip:
  https://github.com/nmoinvaz/minizip/commit/a66cc31fac61e47a34bced08569ddec38b81bbef
- Add hash for license file

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>