[ALSA] mpc8610: Add mmap support

Enable mmap support in the MPC8610 ASoC driver.  The driver can use ALSA's
default mmap functionality, it was just not enabled previously.
Signed-off-by: NTimur Tabi <timur@freescale.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>

sound/soc/fsl/fsl_dma.c

@@ -136,7 +136,9 @@ struct fsl_dma_private {
  */
 static const struct snd_pcm_hardware fsl_dma_hardware = {
 
-	.info   		= SNDRV_PCM_INFO_INTERLEAVED,
+	.info   		= SNDRV_PCM_INFO_INTERLEAVED |
+				  SNDRV_PCM_INFO_MMAP |
+				  SNDRV_PCM_INFO_MMAP_VALID,
 	.formats		= FSLDMA_PCM_FORMATS,
 	.rates  		= FSLDMA_PCM_RATES,
 	.rate_min       	= 5512,