ASoC: Ux500: Add MSP I2S-driver

Add driver for running I2S with the MSP-block.

Signed-off-by: Ola Lilja <ola.o.lilja@stericsson.com>
[Fixed trailing whitespace -- broonie]
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig
index a7df779..40b2ad1 100644
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -47,6 +47,7 @@
 source "sound/soc/sh/Kconfig"
 source "sound/soc/tegra/Kconfig"
 source "sound/soc/txx9/Kconfig"
+source "sound/soc/ux500/Kconfig"
 
 # Supported codecs
 source "sound/soc/codecs/Kconfig"