USB: hid-core: Add quirk for new Apple keyboard/trackpad

The new Core2 Duo MacBook Pro have a new keyboard+trackpad device.

The following patch adds the needed HID quirk for the Fn key.

Signed-off-by: Julien BLACHE <jb@jblache.org>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>