ASoC: SOF: mediatek: mt8186: 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.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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-v2-13-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: krzk

sound/soc/sof/mediatek/mt8186/mt8186.c

@@ -481,7 +481,7 @@ static struct snd_soc_dai_driver mt8186_dai[] = {
 };
 
 /* mt8186 ops */
-static struct snd_sof_dsp_ops sof_mt8186_ops = {
+static const struct snd_sof_dsp_ops sof_mt8186_ops = {
 	/* probe and remove */
 	.probe		= mt8186_dsp_probe,
 	.remove		= mt8186_dsp_remove,