ASoC: img: Add driver for I2S output controller

Add driver for Imagination Technologies I2S output
controller
Signed-off-by: Damien.Horsley <Damien.Horsley@imgtec.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/img/Kconfig

@@ -10,3 +10,11 @@ config SND_SOC_IMG_I2S_IN
 	help
 	  Say Y or M if you want to add support for I2S in driver for
 	  Imagination Technologies I2S in device.
+
+config SND_SOC_IMG_I2S_OUT
+	tristate "Imagination I2S Output Device Driver"
+	depends on SND_SOC_IMG
+	select SND_SOC_GENERIC_DMAENGINE_PCM
+	help
+	  Say Y or M if you want to add support for I2S out driver for
+	  Imagination Technologies I2S out device.

sound/soc/img/Makefile

 obj-$(CONFIG_SND_SOC_IMG_I2S_IN) += img-i2s-in.o
+obj-$(CONFIG_SND_SOC_IMG_I2S_OUT) += img-i2s-out.o