Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/lib/lockdep/lockdep.c b/tools/lib/lockdep/lockdep.c
index 6002fcf..348a9d0 100644
--- a/tools/lib/lockdep/lockdep.c
+++ b/tools/lib/lockdep/lockdep.c
@@ -15,6 +15,11 @@
 	abort();
 }
 
+void print_irqtrace_events(struct task_struct *curr)
+{
+	abort();
+}
+
 static struct new_utsname *init_utsname(void)
 {
 	static struct new_utsname n = (struct new_utsname) {