intel_adsp: ace20_lnl: add ALH DAI support

Add missing definitions for ALH DAIs. Keep the same FIXME
reminder in the comments we have for ACE1.5 that explains
the background of these definitions.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reported-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>