Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/c6x/include/asm/procinfo.h b/arch/c6x/include/asm/procinfo.h
index c139d1e..aaa3cb9 100644
--- a/arch/c6x/include/asm/procinfo.h
+++ b/arch/c6x/include/asm/procinfo.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  Copyright (C) 2010 Texas Instruments Incorporated
  *  Author: Mark Salter (msalter@redhat.com)
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASM_C6X_PROCINFO_H
 #define _ASM_C6X_PROCINFO_H