Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sh/drivers/pci/ops-sh5.c b/arch/sh/drivers/pci/ops-sh5.c
index 4536194..9fbaf72 100644
--- a/arch/sh/drivers/pci/ops-sh5.c
+++ b/arch/sh/drivers/pci/ops-sh5.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support functions for the SH5 PCI hardware.
  *
  * Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
  * Copyright (C) 2003, 2004 Paul Mundt
  * Copyright (C) 2004 Richard Curnow
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
  */
 #include <linux/kernel.h>
 #include <linux/rwsem.h>