Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/Documentation/security/tpm/index.rst b/Documentation/security/tpm/index.rst
index af77a7b..fc40e9f 100644
--- a/Documentation/security/tpm/index.rst
+++ b/Documentation/security/tpm/index.rst
@@ -4,4 +4,7 @@
 
 .. toctree::
 
+   tpm_event_log
    tpm_vtpm_proxy
+   xen-tpmfront
+   tpm_ftpm_tee