buildroot

package/efl: fix unmet dependencies

EFL's elput selects libinput but forgot to propagate its dependencies.
Which requires they be propagated further to a second sub-option, then
to a third one.

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