Fixes <https://bugs.gnu.org/36076>.
Reported by Jack Hill <jackhill@jackhill.us>
and Giovanni Biscuolo <g@xelera.eu>
* gnu/build/locale.scm (locale->name+codeset): New file.
* gnu/packages/base.scm (make-glibc-locales): Add #:modules
and #:imported-modules. Add a 'symlink-normalized-codesets' phase.