ASoC: SDCA: Pass device register map from IRQ alloc to handlers

ASoC: SDCA: Pass device register map from IRQ alloc to handlers

Store a copy of the device register map in the structure for the IRQ
handlers. This will allow the individual IRQ handlers access to the
device level register map if required.

Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://patch.msgid.link/20251020155512.353774-6-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>