Add support for Art Master III tablet of BeiJing HanwangTechnology Co, Ltd.
Signed-off-by: NXing Wei <weixing@hanwang.com.cn>
Acked-by: NJiri Kosina <jkosina@suse.cz>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>

This will allow concentrating all input devices in one place
in {menu|x|q}config.
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>
Acked-by: NGreg Kroah-Hartman <gregkh@suse.de>