[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/atmel/Makefile b/src/kernel/linux/v4.14/sound/atmel/Makefile
new file mode 100644
index 0000000..d4009d1
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/atmel/Makefile
@@ -0,0 +1,3 @@
+snd-atmel-ac97c-objs		:= ac97c.o
+
+obj-$(CONFIG_SND_ATMEL_AC97C)	+= snd-atmel-ac97c.o