[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/oss/soundvers.h b/src/kernel/linux/v4.14/sound/oss/soundvers.h
new file mode 100644
index 0000000..e9084d2
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/oss/soundvers.h
@@ -0,0 +1,2 @@
+#define SOUND_VERSION_STRING "3.8s2++-971130"
+#define SOUND_INTERNAL_VERSION 0x030804