audio-kernel: Update Kbuild support for bengal

Update config file to pick for bengal in Kbuild files.

Change-Id: Ic86e22204bbc16ca751eceb0391e38b4a60ac8b5
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>

dsp/Kbuild

@@ -39,6 +39,11 @@ ifeq ($(KERNEL_BUILD), 0)
 		export
 		INCS    +=  -include $(AUDIO_ROOT)/config/litoautoconf.h
 	endif
+	ifeq ($(CONFIG_ARCH_BENGAL), y)
+		include $(AUDIO_ROOT)/config/litoauto.conf
+		export
+		INCS    +=  -include $(AUDIO_ROOT)/config/litoautoconf.h
+	endif
 	ifeq ($(CONFIG_ARCH_SM8150), y)
 		ifdef CONFIG_SND_SOC_SA8155
 			include $(AUDIO_ROOT)/config/sa8155auto.conf