Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/tipc/Kconfig b/net/tipc/Kconfig
index e450212..b83e16a 100644
--- a/net/tipc/Kconfig
+++ b/net/tipc/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # TIPC configuration
 #
@@ -16,7 +17,7 @@
 	  This protocol support is also available as a module ( = code which
 	  can be inserted in and removed from the running kernel whenever you
 	  want). The module will be called tipc. If you want to compile it
-	  as a module, say M here and read <file:Documentation/kbuild/modules.txt>.
+	  as a module, say M here and read <file:Documentation/kbuild/modules.rst>.
 
 	  If in doubt, say N.