[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/Documentation/security/keys/index.rst b/src/kernel/linux/v4.19/Documentation/security/keys/index.rst
new file mode 100644
index 0000000..647d58f
--- /dev/null
+++ b/src/kernel/linux/v4.19/Documentation/security/keys/index.rst
@@ -0,0 +1,11 @@
+===========
+Kernel Keys
+===========
+
+.. toctree::
+   :maxdepth: 1
+
+   core
+   ecryptfs
+   request-key
+   trusted-encrypted