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/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 4f865df..1a33f48 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1788,7 +1788,7 @@
 	unsigned int efx_voices_mask[2];
 	unsigned int next_free_voice;
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	unsigned int *saved_ptr;
 	unsigned int *saved_gpr;
 	unsigned int *tram_val_saved;
@@ -1856,7 +1856,7 @@
 void snd_emu10k1_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short data);
 unsigned int snd_emu10k1_rate_to_pitch(unsigned int rate);
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 void snd_emu10k1_suspend_regs(struct snd_emu10k1 *emu);
 void snd_emu10k1_resume_init(struct snd_emu10k1 *emu);
 void snd_emu10k1_resume_regs(struct snd_emu10k1 *emu);