ALSA: hda: conexant: Reduce CONFIG_PM dependencies

CONFIG_PM dependencies got reduced in HD-audio codec core driver, and
now it's time to reduce in HD-audio conexant codec driver, too.

Simply drop CONFIG_PM ifdefs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240506161359.6960-8-tiwai@suse.de

sound/pci/hda/patch_conexant.c

@@ -294,13 +294,11 @@ static void cx_jack_unsol_event(struct hda_codec *codec, unsigned int res)
 	snd_hda_jack_unsol_event(codec, res);
 }
 
-#ifdef CONFIG_PM
 static int cx_auto_suspend(struct hda_codec *codec)
 {
 	cx_auto_shutdown(codec);
 	return 0;
 }
-#endif
 
 static const struct hda_codec_ops cx_auto_patch_ops = {
 	.build_controls = snd_hda_gen_build_controls,
@@ -308,10 +306,8 @@ static const struct hda_codec_ops cx_auto_patch_ops = {
 	.init = cx_auto_init,
 	.free = cx_auto_free,
 	.unsol_event = cx_jack_unsol_event,
-#ifdef CONFIG_PM
 	.suspend = cx_auto_suspend,
 	.check_power_status = snd_hda_gen_check_power_status,
-#endif
 };
 
 /*