Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/Documentation/admin-guide/LSM/SELinux.rst b/Documentation/admin-guide/LSM/SELinux.rst
index f722c9b..520a1c2 100644
--- a/Documentation/admin-guide/LSM/SELinux.rst
+++ b/Documentation/admin-guide/LSM/SELinux.rst
@@ -6,7 +6,7 @@
 to use the distro-provided policies, or install the
 latest reference policy release from
 
-	http://oss.tresys.com/projects/refpolicy
+	https://github.com/SELinuxProject/refpolicy
 
 However, if you want to install a dummy policy for
 testing, you can do using ``mdp`` provided under