[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
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+=======================
+Linux Kernel Crypto API
+=======================
+
+:Author: Stephan Mueller
+:Author: Marek Vasut
+
+This documentation outlines the Linux kernel crypto API with its
+concepts, details about developing cipher implementations, employment of the API
+for cryptographic use cases, as well as programming examples.
+
+.. class:: toc-title
+
+	   Table of contents
+
+.. toctree::
+   :maxdepth: 2
+
+   intro
+   architecture
+   devel-algos
+   userspace-if
+   crypto_engine
+   api
+   api-samples