ASoC: SOF: intel: add snd_sof_dsp_check_sdw_irq ops

SoundWire IRQ status checks are platform-dependent, add new ops structure
to provide abstraction.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20210723115451.7245-6-yung-chuan.liao@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>