[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/soc/codecs/cx20442.h b/src/kernel/linux/v4.14/sound/soc/codecs/cx20442.h
new file mode 100644
index 0000000..c7a7c79
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/soc/codecs/cx20442.h
@@ -0,0 +1,18 @@
+/*
+ * cx20442.h  --  audio driver for CX20442
+ *
+ * Copyright 2009 Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#ifndef _CX20442_CODEC_H
+#define _CX20442_CODEC_H
+
+extern struct tty_ldisc_ops v253_ops;
+
+#endif