ASoC: xlnx: enable audio formatter driver build

Enable audio formatter driver build.
Signed-off-by: Maruthi Srinivas Bayyavarapu <maruthi.srinivas.bayyavarapu@xilinx.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/xilinx/Kconfig

@@ -6,3 +6,10 @@ config SND_SOC_XILINX_I2S
 	  mode, IP receives audio in AES format, extracts PCM and sends
 	  PCM data. In receiver mode, IP receives PCM audio and
 	  encapsulates PCM in AES format and sends AES data.
+
+config SND_SOC_XILINX_AUDIO_FORMATTER
+        tristate "Audio support for the the Xilinx audio formatter"
+        help
+          Select this option to enable Xilinx audio formatter
+          support. This provides DMA platform device support for
+          audio functionality.

sound/soc/xilinx/Makefile

 snd-soc-xlnx-i2s-objs      := xlnx_i2s.o
 obj-$(CONFIG_SND_SOC_XILINX_I2S) += snd-soc-xlnx-i2s.o
+snd-soc-xlnx-formatter-pcm-objs := xlnx_formatter_pcm.o
+obj-$(CONFIG_SND_SOC_XILINX_AUDIO_FORMATTER) += snd-soc-xlnx-formatter-pcm.o