ASoC: SOF: Do not check for the fw_ready callback

The fw_ready is handled internally to ipc3, the callback no longer in
use and it is going to be removed.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Ajit Pandey <ajitkumar.pandey@amd.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/20220421080735.31698-3-peter.ujfalusi@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/core.c

@@ -374,7 +374,7 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
 	if (!sof_ops(sdev) || !sof_ops(sdev)->probe || !sof_ops(sdev)->run ||
 	    !sof_ops(sdev)->block_read || !sof_ops(sdev)->block_write ||
 	    !sof_ops(sdev)->send_msg || !sof_ops(sdev)->load_firmware ||
-	    !sof_ops(sdev)->ipc_msg_data || !sof_ops(sdev)->fw_ready) {
+	    !sof_ops(sdev)->ipc_msg_data) {
 		dev_err(dev, "error: missing mandatory ops\n");
 		return -EINVAL;
 	}