package/rpm: bump to version 4.16.0

package/rpm: bump to version 4.16.0

- Drop patch (already in version) and so autoreconf
- Update hash of COPYING (explicitly mention that the rpmio/ sub dir is
  under LGPL:
  https://github.com/rpm-software-management/rpm/commit/d5c69756cf6cd16e7c2e8b81fba19bf81f3dd1ba)
- sqlite is an optional dependency since
  https://github.com/rpm-software-management/rpm/commit/07129b641b733ab30995c93e2b08d0673b9d218c
- rpm can be built without berkeleydb since
  https://github.com/rpm-software-management/rpm/commit/4c7323f69b4fddf928245e9db2d1c9ca9b277ef2
  It should be noted that berkeleydb is deprecated since
  https://github.com/rpm-software-management/rpm/commit/fc0169eb03c893d63dc44f2ada954d42e0e759ed
- Update indentation in hash file (two spaces)

https://rpm.org/wiki/Releases/4.16.0.html

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