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/ca0106/ca0106.h b/sound/pci/ca0106/ca0106.h
index e8e8ccc..04402c1 100644
--- a/sound/pci/ca0106/ca0106.h
+++ b/sound/pci/ca0106/ca0106.h
@@ -710,7 +710,7 @@
 
 	u16 spi_dac_reg[16];
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 #define NUM_SAVED_VOLUMES	9
 	unsigned int saved_vol[NUM_SAVED_VOLUMES];
 #endif
@@ -733,7 +733,7 @@
 int snd_ca0106_spi_write(struct snd_ca0106 * emu,
 				   unsigned int data);
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip);
 void snd_ca0106_mixer_resume(struct snd_ca0106 *chip);
 #else