Add libftdi1-config.cmake

Change-Id: I96439fcf50636fd917b5ba46f3d12f65ee6bce9d
Reviewed-on: http://gerrit.aldebaran.lan:8080/19317
Reviewed-by: ncornu <ncornu@aldebaran-robotics.com>
Tested-by: ncornu <ncornu@aldebaran-robotics.com>