ALSA: PCI: Replace CONFIG_PM with CONFIG_PM_SLEEP

Otherwise we may get compile warnings due to unused functions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ice1712/aureon.c b/sound/pci/ice1712/aureon.c
index 3e4f8c1..20bcdde 100644
--- a/sound/pci/ice1712/aureon.c
+++ b/sound/pci/ice1712/aureon.c
@@ -2103,7 +2103,7 @@
 /*
  * suspend/resume
  */
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int aureon_resume(struct snd_ice1712 *ice)
 {
 	struct aureon_spec *spec = ice->spec;
@@ -2160,7 +2160,7 @@
 		wm_set_vol(ice, i, spec->vol[i], spec->master[i % 2]);
 	}
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	ice->pm_resume = aureon_resume;
 	ice->pm_suspend_enabled = 1;
 #endif