freeebsd: set EoL dates for some 4.x and 5.x releases
- EoL obtained from web.archivee.org snapshots of the https://www.freebsd.org/security/ page
- Update release dates to match ones in https://www.freebsd.org/releases/
EoL for 5.2.1 set to be the same as for 5.2 assuming the same branch.
Signed-off-by: Roman Bogorodskiy bogorodskiy@gmail.com