[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/Documentation/ABI/testing/sysfs-driver-input-axp-pek b/src/kernel/linux/v4.14/Documentation/ABI/testing/sysfs-driver-input-axp-pek
new file mode 100644
index 0000000..a5e671b
--- /dev/null
+++ b/src/kernel/linux/v4.14/Documentation/ABI/testing/sysfs-driver-input-axp-pek
@@ -0,0 +1,11 @@
+What:		/sys/class/input/input(x)/device/startup
+Date:		March 2014
+Contact:	Carlo Caione <carlo@caione.org>
+Description:	Startup time in us. Board is powered on if the button is pressed
+		for more than <startup_time>
+
+What:		/sys/class/input/input(x)/device/shutdown
+Date:		March 2014
+Contact:	Carlo Caione <carlo@caione.org>
+Description:	Shutdown time in us. Board is powered off if the button is pressed
+		for more than <shutdown_time>