[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc100x b/src/kernel/linux/v4.14/Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc100x
new file mode 100644
index 0000000..b72bb62
--- /dev/null
+++ b/src/kernel/linux/v4.14/Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc100x
@@ -0,0 +1,9 @@
+What:		/sys/bus/iio/devices/iio:deviceX/out_current_heater_raw
+What:		/sys/bus/iio/devices/iio:deviceX/out_current_heater_raw_available
+KernelVersion:	4.3
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Controls the heater device within the humidity sensor to get
+		rid of excess condensation.
+
+		Valid control values are 0 = OFF, and 1 = ON.