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>
diff --git a/dsp/Kbuild b/dsp/Kbuild
index 9ab8966..2ce402f 100644
--- a/dsp/Kbuild
+++ b/dsp/Kbuild
@@ -39,6 +39,11 @@
 		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