[Thomas:
- move lutok inclusion in package/Config.in after including the Lua
external modules
- add a comment explaining why we are passing --without-atf
- remove the logic around -ldl, it seems to build just fine without it.]
Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>