Rename sdm670 to sdm710.

In order to support compilation after chipset
name update from SDM670 to SDM710, update
the respective make files.

Change-Id: I2de120ae3ede9c2444e6baaed73bb4486060e653
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>
diff --git a/dsp/Kbuild b/dsp/Kbuild
index e330aa1..7f71af0 100644
--- a/dsp/Kbuild
+++ b/dsp/Kbuild
@@ -20,9 +20,9 @@
 		INCS    +=  -include $(AUDIO_ROOT)/config/sdm845autoconf.h
 	endif
 	ifeq ($(CONFIG_ARCH_SDM670), y)
-		include $(AUDIO_ROOT)/config/sdm670auto.conf
+		include $(AUDIO_ROOT)/config/sdm710auto.conf
 		export
-		INCS    +=  -include $(AUDIO_ROOT)/config/sdm670autoconf.h
+		INCS    +=  -include $(AUDIO_ROOT)/config/sdm710autoconf.h
 	endif
 	ifeq ($(CONFIG_ARCH_SDM450), y)
 		include $(AUDIO_ROOT)/config/sdm450auto.conf