[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/Documentation/driver-api/iio/index.rst b/src/kernel/linux/v4.19/Documentation/driver-api/iio/index.rst
new file mode 100644
index 0000000..7fba341
--- /dev/null
+++ b/src/kernel/linux/v4.19/Documentation/driver-api/iio/index.rst
@@ -0,0 +1,18 @@
+.. include:: <isonum.txt>
+
+Industrial I/O
+==============
+
+**Copyright** |copy| 2015 Intel Corporation
+
+Contents:
+
+.. toctree::
+   :maxdepth: 2
+
+   intro
+   core
+   buffers
+   triggers
+   triggered-buffers
+   hw-consumer