HID: uclogic: Support custom device suffix for frames

Support assigning custom device name suffixes to frame input devices
instead of just "Pad". This allows distinguishing multiple frame input
devices, e.g. for Huion HS610.

Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>