ASoC: SOF: Intel: mtl: Stop exporting dsp_ops callback functions

There is no need to export individual dsp_ops functions anymore as the
callbacks are filled now by sof_mtl_set_ops()

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://patch.msgid.link/20250307112816.1495-4-peter.ujfalusi@linux.intel.com


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