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/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c
index ddac4e6..b7c1875 100644
--- a/sound/pci/emu10k1/emu10k1.c
+++ b/sound/pci/emu10k1/emu10k1.c
@@ -206,7 +206,7 @@
 }
 
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int snd_emu10k1_suspend(struct device *dev)
 {
 	struct pci_dev *pci = to_pci_dev(dev);
@@ -268,7 +268,7 @@
 #define SND_EMU10K1_PM_OPS	&snd_emu10k1_pm
 #else
 #define SND_EMU10K1_PM_OPS	NULL
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
 
 static struct pci_driver emu10k1_driver = {
 	.name = KBUILD_MODNAME,