ASoC: SOF: imx8: 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 <[email protected]>
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: krzk

sound/soc/sof/imx/imx8.c

@@ -478,7 +478,7 @@ static int imx8_dsp_set_power_state(struct snd_sof_dev *sdev,
 }
 
 /* i.MX8 ops */
-static struct snd_sof_dsp_ops sof_imx8_ops = {
+static const struct snd_sof_dsp_ops sof_imx8_ops = {
 	/* probe and remove */
 	.probe		= imx8_probe,
 	.remove		= imx8_remove,
@@ -539,7 +539,7 @@ static struct snd_sof_dsp_ops sof_imx8_ops = {
 };
 
 /* i.MX8X ops */
-static struct snd_sof_dsp_ops sof_imx8x_ops = {
+static const struct snd_sof_dsp_ops sof_imx8x_ops = {
 	/* probe and remove */
 	.probe		= imx8_probe,
 	.remove		= imx8_remove,