ASoC: Intel: avs: hdaudio: Constify probing_link

probing_link is passed to devm_kmemdup, and is never modified, may as
well mark it const.
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://msgid.link/r/20240403093145.3375857-4-amadeuszx.slawinski@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/avs/boards/hdaudio.c

@@ -155,7 +155,7 @@ static int avs_probing_link_init(struct snd_soc_pcm_runtime *rtm)
 	return 0;
 }
 
-static struct snd_soc_dai_link probing_link = {
+static const struct snd_soc_dai_link probing_link = {
 	.name = "probing-LINK",
 	.id = -1,
 	.nonatomic = 1,