ASoC: Add support for sdm439 audio compilation

Add support for audio compilation of sdm439.

Change-Id: Ie68aa5ec3aa98452530e2e10a373801cdfe96346
Signed-off-by: Vaishnavi Kommaraju <vkommara@codeaurora.org>
diff --git a/soc/Kbuild b/soc/Kbuild
index 9be24f0..cdf4493 100644
--- a/soc/Kbuild
+++ b/soc/Kbuild
@@ -29,6 +29,11 @@
 		export
 		INCS    +=  -include $(AUDIO_ROOT)/config/sdm450autoconf.h
 	endif
+	ifeq ($(CONFIG_ARCH_SDM439), y)
+		include $(AUDIO_ROOT)/config/sdm450auto.conf
+		export
+		INCS    +=  -include $(AUDIO_ROOT)/config/sdm450autoconf.h
+	endif
 endif
 
 # As per target team, build is done as follows: