ASoC: Intel: avs: es8336: Constify card_headset_pins

card_headset_pins is never modified, 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/20240403093145.3375857-5-amadeuszx.slawinski@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/avs/boards/es8336.c

@@ -85,7 +85,7 @@ static const struct snd_kcontrol_new card_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Internal Mic"),
 };
 
-static struct snd_soc_jack_pin card_headset_pins[] = {
+static const struct snd_soc_jack_pin card_headset_pins[] = {
 	{
 		.pin = "Headphone",
 		.mask = SND_JACK_HEADPHONE,