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/sis7019.c b/sound/pci/sis7019.c
index 512434e..535efe2 100644
--- a/sound/pci/sis7019.c
+++ b/sound/pci/sis7019.c
@@ -103,7 +103,7 @@
  * we're not doing power management, we still need to allocate a page
  * for the silence buffer.
  */
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 #define SIS_SUSPEND_PAGES	4
 #else
 #define SIS_SUSPEND_PAGES	1
@@ -1208,7 +1208,7 @@
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int sis_suspend(struct device *dev)
 {
 	struct pci_dev *pci = to_pci_dev(dev);
@@ -1305,7 +1305,7 @@
 #define SIS_PM_OPS	&sis_pm
 #else
 #define SIS_PM_OPS	NULL
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
 
 static int sis_alloc_suspend(struct sis7019 *sis)
 {