gnome-control-center: include datadir/mime in PN

* Fixes this QA warning:
  gnome-control-center-2.32.1: gnome-control-center: Files/directories were installed but not shipped
  /usr/share/mime/globs
  /usr/share/mime/globs2
  /usr/share/mime/magic
  /usr/share/mime/XMLnamespaces
  /usr/share/mime/subclasses
  /usr/share/mime/aliases
  /usr/share/mime/types
  /usr/share/mime/generic-icons
  /usr/share/mime/icons
  /usr/share/mime/treemagic
  /usr/share/mime/mime.cache
  /usr/share/mime/version

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>