wayland-fits: Add recipe

wayland-fits is a functional integration test suite
for Wayland and Weston.

MJ: removed elementary from default PACKAGECONFIG because meta-oe
    doesn't depend on meta-efl

It optionally supports EFL and GTK+ tests.

Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>