ASoC: atmel: enable SOC_SSC_PDC and SOC_SSC_DMA in Kconfig

Allow SSC to be used on platforms described using audio-graph-card
in Device Tree.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/233d5461f4448df151755de7b69a0cd3ad310d5c.1566677788.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/atmel/Kconfig

@@ -12,25 +12,31 @@ 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)
-
-config SND_ATMEL_SOC_SSC_PDC
-	tristate
 
 config SND_ATMEL_SOC_DMA
 	tristate
 	select SND_SOC_GENERIC_DMAENGINE_PCM
-	default m if SND_ATMEL_SOC_SSC_DMA=m && SND_ATMEL_SOC_SSC=m
-	default y if SND_ATMEL_SOC_SSC_DMA=y || (SND_ATMEL_SOC_SSC_DMA=m && SND_ATMEL_SOC_SSC=y)
-
-config SND_ATMEL_SOC_SSC_DMA
-	tristate
 
 config SND_ATMEL_SOC_SSC
 	tristate
-	default y if SND_ATMEL_SOC_SSC_DMA=y || SND_ATMEL_SOC_SSC_PDC=y
-	default m if SND_ATMEL_SOC_SSC_DMA=m || SND_ATMEL_SOC_SSC_PDC=m
+
+config SND_ATMEL_SOC_SSC_PDC
+	tristate "SoC PCM DAI support for AT91 SSC controller using PDC"
+	depends on ATMEL_SSC
+	select SND_ATMEL_SOC_PDC
+	select SND_ATMEL_SOC_SSC
+	help
+	  Say Y or M if you want to add support for Atmel SSC interface
+	  in PDC mode configured using audio-graph-card in device-tree.
+
+config SND_ATMEL_SOC_SSC_DMA
+	tristate "SoC PCM DAI support for AT91 SSC controller using DMA"
+	depends on ATMEL_SSC
+	select SND_ATMEL_SOC_DMA
+	select SND_ATMEL_SOC_SSC
+	help
+	  Say Y or M if you want to add support for Atmel SSC interface
+	  in DMA mode configured using audio-graph-card in device-tree.
 
 config SND_AT91_SOC_SAM9G20_WM8731
 	tristate "SoC Audio support for WM8731-based At91sam9g20 evaluation board"