e-wm: add efreet, evas-generic-loader-svg runtime recommendation

* resolves:
  ERR<efreet_cache>lib/efreet/efreet_cache.c:1108
  org.freedesktop.DBus.Error.ServiceUnknown The name
  org.enlightenment.Efreet was not provided by any .service files
  E: efreet couldn't build cache

  and

  Enlightenment found Evas can't load SVG files. Check Evas has SVG
  loader support.

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