Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/Documentation/driver-api/basics.rst b/Documentation/driver-api/basics.rst
index 826e85d..1ba88c7 100644
--- a/Documentation/driver-api/basics.rst
+++ b/Documentation/driver-api/basics.rst
@@ -115,12 +115,12 @@
 .. kernel-doc:: kernel/rcu/tree.c
    :export:
 
-.. kernel-doc:: kernel/rcu/tree_plugin.h
-   :export:
-
 .. kernel-doc:: kernel/rcu/update.c
    :export:
 
+.. kernel-doc:: include/linux/overflow.h
+   :internal:
+
 Device Resource Management
 --------------------------