hid-logitech-dj: add the new Lightspeed receiver

This patchs adds the new Lightspeed receiver. Currently it seems to only
be used in the G305.

Signed-off-by: Filipe Laíns <lains@archlinux.org>
[bentiss: rebased on top of master]
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>