[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/soc/spear/Makefile b/src/kernel/linux/v4.14/sound/soc/spear/Makefile
new file mode 100644
index 0000000..31d9dae
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/soc/spear/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
+# SPEAR Platform Support
+snd-soc-spear-pcm-objs := spear_pcm.o
+snd-soc-spear-spdif-in-objs := spdif_in.o
+snd-soc-spear-spdif-out-objs := spdif_out.o
+
+obj-$(CONFIG_SND_SPEAR_SOC) += snd-soc-spear-pcm.o
+obj-$(CONFIG_SND_SPEAR_SPDIF_IN) += snd-soc-spear-spdif-in.o
+obj-$(CONFIG_SND_SPEAR_SPDIF_OUT) += snd-soc-spear-spdif-out.o