Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/perf/scripts/python/sched-migration.py b/tools/perf/scripts/python/sched-migration.py
index 3473e7f..8196e30 100644
--- a/tools/perf/scripts/python/sched-migration.py
+++ b/tools/perf/scripts/python/sched-migration.py
@@ -1,5 +1,3 @@
-#!/usr/bin/python
-#
 # Cpu task migration overview toy
 #
 # Copyright (C) 2010 Frederic Weisbecker <fweisbec@gmail.com>
@@ -16,10 +14,10 @@
 
 from collections import defaultdict
 try:
-    from UserList import UserList
+	from UserList import UserList
 except ImportError:
-    # Python 3: UserList moved to the collections package
-    from collections import UserList
+	# Python 3: UserList moved to the collections package
+	from collections import UserList
 
 sys.path.append(os.environ['PERF_EXEC_PATH'] + \
 	'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')