ASoC: fsl-ssi: Move debugging to seperate file

Move all code that is only used for debugging to a seperate file. This
makes it easier to see what functions are used for debugging only.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Tested-By: Michael Grzeschik <mgr@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index b12ad4b..db254e3 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -12,7 +12,8 @@
 
 # Freescale SSI/DMA/SAI/SPDIF Support
 snd-soc-fsl-sai-objs := fsl_sai.o
-snd-soc-fsl-ssi-objs := fsl_ssi.o
+snd-soc-fsl-ssi-y := fsl_ssi.o
+snd-soc-fsl-ssi-$(CONFIG_DEBUG_FS) += fsl_ssi_dbg.o
 snd-soc-fsl-spdif-objs := fsl_spdif.o
 snd-soc-fsl-esai-objs := fsl_esai.o
 snd-soc-fsl-utils-objs := fsl_utils.o