[PATCH] ASoC: atmel: fix build failure

[Sudip Mukherjee]

m32r allmodconfig build is failing with the error:
ERROR: "bad_dma_ops" [sound/soc/atmel/snd-soc-atmel-pcm-pdc.ko] undefined!

The code is using DMA but the related dependency is not mentioned in the
Kconfig.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>
---

build log is at:
https://travis-ci.org/sudipm-mukherjee/parport/jobs/134651165

 sound/soc/atmel/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig
index 06e099e..22aec9a 100644
--- a/sound/soc/atmel/Kconfig
+++ b/sound/soc/atmel/Kconfig
@@ -10,6 +10,7 @@ if SND_ATMEL_SOC
 
 config SND_ATMEL_SOC_PDC
 	tristate
+	depends on HAS_DMA
 	default m if SND_ATMEL_SOC_SSC_PDC=m && SND_ATMEL_SOC_SSC=m
 	default y if SND_ATMEL_SOC_SSC_PDC=y || (SND_ATMEL_SOC_SSC_PDC=m && SND_ATMEL_SOC_SSC=y)
 
-- 
1.9.1