ALSA: arm: Avoid passing NULL to memory allocators

We should pass a proper	non-NULL device	object to memory allocators
although it was accepted in the past.  The card->dev points to the
most appropriate device object in such a case, so let's put it.
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/arm/aaci.c

@@ -941,7 +941,8 @@ static int aaci_init_pcm(struct aaci *aaci)
 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &aaci_playback_ops);
 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &aaci_capture_ops);
 		snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-						      NULL, 0, 64 * 1024);
+						      aaci->card->dev,
+						      0, 64 * 1024);
 	}
 
 	return ret;