audio-driver: Update build files for LA automotive

enable conditional build for audio driver modules for LA
automotive.

Change-Id: Ifb18ea6f8af531a99e29904c2245424657b42df7
Signed-off-by: Cong Tang <congt@codeaurora.org>

dsp/Kbuild

@@ -34,9 +34,15 @@ ifeq ($(KERNEL_BUILD), 0)
 		INCS    +=  -include $(AUDIO_ROOT)/config/litoautoconf.h
 	endif
 	ifeq ($(CONFIG_ARCH_SM8150), y)
-		include $(AUDIO_ROOT)/config/sm8150auto.conf
-		export
-		INCS    +=  -include $(AUDIO_ROOT)/config/sm8150autoconf.h
+		ifdef CONFIG_SND_SOC_SA8155
+			include $(AUDIO_ROOT)/config/sa8155auto.conf
+			export
+			INCS    +=  -include $(AUDIO_ROOT)/config/sa8155autoconf.h
+		else
+			include $(AUDIO_ROOT)/config/sm8150auto.conf
+			export
+			INCS    +=  -include $(AUDIO_ROOT)/config/sm8150autoconf.h
+		endif
 	endif
 	ifeq ($(CONFIG_ARCH_SDMSHRIKE), y)
 		include $(AUDIO_ROOT)/config/sm8150auto.conf