Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/Documentation/maintainer/index.rst b/Documentation/maintainer/index.rst
index 2a14916..56e2c09 100644
--- a/Documentation/maintainer/index.rst
+++ b/Documentation/maintainer/index.rst
@@ -10,5 +10,6 @@
    :maxdepth: 2
 
    configure-git
+   rebasing-and-merging
    pull-requests