[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/Documentation/serial/00-INDEX b/src/kernel/linux/v4.14/Documentation/serial/00-INDEX
new file mode 100644
index 0000000..8021a9f
--- /dev/null
+++ b/src/kernel/linux/v4.14/Documentation/serial/00-INDEX
@@ -0,0 +1,16 @@
+00-INDEX
+	- this file.
+README.cycladesZ
+	- info on Cyclades-Z firmware loading.
+driver
+	- intro to the low level serial driver.
+moxa-smartio
+	- file with info on installing/using Moxa multiport serial driver.
+n_gsm.txt
+	- GSM 0710 tty multiplexer howto.
+rocket.txt
+	- info on the Comtrol RocketPort multiport serial driver.
+serial-rs485.txt
+	- info about RS485 structures and support in the kernel.
+tty.txt
+	- guide to the locking policies of the tty layer.