Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sh/boards/mach-sdk7786/sram.c b/arch/sh/boards/mach-sdk7786/sram.c
index c81c3ab..7c6ca97 100644
--- a/arch/sh/boards/mach-sdk7786/sram.c
+++ b/arch/sh/boards/mach-sdk7786/sram.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SDK7786 FPGA SRAM Support.
  *
  * Copyright (C) 2010  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -16,7 +13,7 @@
 #include <linux/string.h>
 #include <mach/fpga.h>
 #include <asm/sram.h>
-#include <asm/sizes.h>
+#include <linux/sizes.h>
 
 static int __init fpga_sram_init(void)
 {