ALSA: rme9652: Unneeded variable: "result".

This patch fixes below issue reported by coccicheck

sound/pci/rme9652/rme9652.c:2161:5-11: Unneeded variable: "result".
Return "0" on line 2167
Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/rme9652/rme9652.c

@@ -2158,13 +2158,12 @@ static int snd_rme9652_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
 	unsigned long flags;
-	int result = 0;
 
 	spin_lock_irqsave(&rme9652->lock, flags);
 	if (!rme9652->running)
 		rme9652_reset_hw_pointer(rme9652);
 	spin_unlock_irqrestore(&rme9652->lock, flags);
-	return result;
+	return 0;
 }
 
 static const struct snd_pcm_hardware snd_rme9652_playback_subinfo =