[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: Timur Tabi <timur@freescale.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c
index 2173203..652514f 100644
--- a/sound/soc/fsl/fsl_dma.c
+++ b/sound/soc/fsl/fsl_dma.c
@@ -136,7 +136,9 @@
  */
 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,