ASoC: SOF: Intel: MTL: reuse the common ops for PM

ASoC: SOF: Intel: MTL: reuse the common ops for PM

Now that the disabling of interrupts and powering down the DSP has been
abstracted, re-use the common ops for PM for MTL as well.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220922213644.666315-10-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>