[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/usb/line6/Kconfig b/src/kernel/linux/v4.14/sound/usb/line6/Kconfig
new file mode 100644
index 0000000..39b4003
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/usb/line6/Kconfig
@@ -0,0 +1,43 @@
+config SND_USB_LINE6
+	tristate
+	select SND_RAWMIDI
+	select SND_PCM
+	select SND_HWDEP
+
+config SND_USB_POD
+	tristate "Line 6 POD USB support"
+	select SND_USB_LINE6
+	help
+	  This is a driver for PODxt and other similar devices,
+	  supporting the following features:
+	    * Reading/writing individual parameters
+	    * Reading/writing complete channel, effects setup, and amp
+	      setup data
+	    * Channel switching
+	    * Virtual MIDI interface
+	    * Tuner access
+	    * Playback/capture/mixer device for any ALSA-compatible PCM
+	      audio application
+	    * Signal routing (record clean/processed guitar signal,
+	      re-amping)
+
+config SND_USB_PODHD
+	tristate "Line 6 POD X3/HD300/400/500 USB support"
+	select SND_USB_LINE6
+	help
+	  This is a driver for POD X3, HD300, 400 and 500 devices.
+
+config SND_USB_TONEPORT
+	tristate "TonePort GX, UX1 and UX2 USB support"
+	select SND_USB_LINE6
+	select NEW_LEDS
+	select LEDS_CLASS
+	help
+	  This is a driver for TonePort GX, UX1 and UX2 devices.
+
+config SND_USB_VARIAX
+	tristate "Variax Workbench USB support"
+	select SND_USB_LINE6
+	help
+	  This is a driver for Variax Workbench device.
+