Add the features struct and device table entry to enable yet another
version of Wacom Bamboo Pen (CTL460, Product ID 0xD4).
Signed-off-by: NKevin Granade <kevin.granade@gmail.com>
Acked-by: NPing Cheng <pingc@wacom.com>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>