"freedist" is a catch-all for simple licenses that allow free redistribution, and therefore it should be added to the BINARY-REDISTRIBUTABLE license group. NB, licenses that impose additional restrictions on redistribution shouldn't be subsumed under freedist, in the first place.
commit de72596363bdfc9576b0550b19e1f9ef337edf7e Author: Robin H. Johnson <robbat2@gentoo.org> Date: Mon Apr 22 08:33:57 2019 -0700 license_groups: add freedist to @BINARY-REDISTRIBUTABLE As discussed in #gentoo-releng on 2019/04/22. The freedist catch-all license: - permits distribution - does not require explicit approval - does not restrict cost of redistribution Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>