ASoC: SOF: intel: byt: Constify snd_sof_dsp_ops

'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.

Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-12-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: krzk

sound/soc/sof/intel/byt.c

@@ -214,7 +214,7 @@ static int byt_acpi_probe(struct snd_sof_dev *sdev)
 }
 
 /* baytrail ops */
-static struct snd_sof_dsp_ops sof_byt_ops = {
+static const struct snd_sof_dsp_ops sof_byt_ops = {
 	/* device init */
 	.probe		= byt_acpi_probe,
 	.remove		= byt_remove,
@@ -289,7 +289,7 @@ static const struct sof_intel_dsp_desc byt_chip_info = {
 };
 
 /* cherrytrail and braswell ops */
-static struct snd_sof_dsp_ops sof_cht_ops = {
+static const struct snd_sof_dsp_ops sof_cht_ops = {
 	/* device init */
 	.probe		= byt_acpi_probe,
 	.remove		= byt_remove,