ALSA: dice: fix device detection for other vendors

ALSA: dice: fix device detection for other vendors

DICE devices do not have a unique specifier ID in their unit directory
(it's always the same as the device vendor's ID), so rely on just the
version ID for driver loading, and use a heuristic in the probe callback
to detect actual DICE devices.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>