Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sh/include/asm/sfp-machine.h b/arch/sh/include/asm/sfp-machine.h
index d3c5484..cbc7cf8 100644
--- a/arch/sh/include/asm/sfp-machine.h
+++ b/arch/sh/include/asm/sfp-machine.h
@@ -1,4 +1,6 @@
-/* Machine-dependent software floating-point definitions.
+/* SPDX-License-Identifier: GPL-2.0+
+ *
+ * Machine-dependent software floating-point definitions.
    SuperH kernel version.
    Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
@@ -6,21 +8,7 @@
 		  Jakub Jelinek (jj@ultra.linux.cz),
 		  David S. Miller (davem@redhat.com) and
 		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, write to the Free Software Foundation, Inc.,
-   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+*/
 
 #ifndef _SFP_MACHINE_H
 #define _SFP_MACHINE_H