ASoC: SOF: ipc: Switch over to use the rx_msg ops

Use the new ops for handling message reception.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220405172708.122168-13-ranjani.sridharan@linux.intel.com


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