[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/usb/format.h b/src/kernel/linux/v4.14/sound/usb/format.h
new file mode 100644
index 0000000..8c3ff9c
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/usb/format.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __USBAUDIO_FORMAT_H
+#define __USBAUDIO_FORMAT_H
+
+int snd_usb_parse_audio_format(struct snd_usb_audio *chip,
+			       struct audioformat *fp, unsigned int format,
+			       struct uac_format_type_i_continuous_descriptor *fmt,
+			       int stream);
+
+#endif /*  __USBAUDIO_FORMAT_H */