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/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c
index e8de831..a51e3ce 100644
--- a/sound/pci/asihpi/asihpi.c
+++ b/sound/pci/asihpi/asihpi.c
@@ -2968,7 +2968,7 @@
 	.id_table = asihpi_pci_tbl,
 	.probe = snd_asihpi_probe,
 	.remove = __devexit_p(snd_asihpi_remove),
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 /*	.suspend = snd_asihpi_suspend,
 	.resume = snd_asihpi_resume, */
 #endif