Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c
index 506e73b..f5eee4d 100644
--- a/tools/perf/ui/gtk/setup.c
+++ b/tools/perf/ui/gtk/setup.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "gtk.h"
-#include "../../util/cache.h"
-#include "../../util/debug.h"
+#include <linux/compiler.h>
+#include "../util.h"
 
 extern struct perf_error_ops perf_gtk_eops;