package/efl/libefl: new host-package

This new host-package provide edje_cc, embryo_cc and eet binaries
that will be used by the upcomming libefl packages which will
contain the new version of efl libraries.

Signed-off-by: Romain Naour <romain.naour@openwide.fr>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>