asoc: wcd937x: enable wcd937x codec driver compilation.

Enable wcd937x codec driver compilation support.

Change-Id: I001f7ca278549a4a77c5b02e1c6a86d1dbf51ff7
Signed-off-by: Kunlei Zhang <kunleiz@codeaurora.org>

asoc/codecs/wcd937x/Kbuild

@@ -31,6 +31,11 @@ ifeq ($(KERNEL_BUILD), 0)
 		export
 		INCS    +=  -include $(AUDIO_ROOT)/config/bengalautoconf.h
 	endif
+	ifeq ($(CONFIG_ARCH_LITO), y)
+		include $(AUDIO_ROOT)/config/litoauto.conf
+		export
+		INCS    +=  -include $(AUDIO_ROOT)/config/litoautoconf.h
+	endif
 endif
 
 # As per target team, build is done as follows: