HID: wacom: Setup pen input capabilities to the targeted tools

Only set the bits that are supported by the targeted devices.
This patch also removes duplicated set_bit calls.

Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Reviewed-by: Jason Gerecke <Jason.Gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>