Use Wayland and Weston from Yocto

Remove Wayland and Weston from the white list since we use Wayland and
Weston from Yocto.

Signed-off-by: Kévin THIERRY <kevin.thierry@open.eurogiciel.org>
Add missing equivalence slp-pkgmgr

Signed-off-by: Kévin THIERRY <kevin.thierry@open.eurogiciel.org>