HID: lg4ff - Add autocentering command accepted by Formula Force EX

The Logitech driver sends Formula Force EX wheel a different command to
autocenering force. FFEX will accept the standard command used by the rest of
the wheels, but it won't set the centering properly.

Signed-off-by: Michal Malý <madcatxster@gmail.com>
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>