Input: wacom - parse the Bamboo device family

The Bamboo devices have multiple interfaces which need to be setup
separately. Use the HID parsing mechanism to achieve that.

Signed-off-by: Ping Cheng <pinglinux@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>