Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/crypto/bcm/cipher.h b/drivers/crypto/bcm/cipher.h
index 763c425..766452b 100644
--- a/drivers/crypto/bcm/cipher.h
+++ b/drivers/crypto/bcm/cipher.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2016 Broadcom
- *
- * 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 (the "GPL").
- *
- * This program 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
- * General Public License version 2 (GPLv2) for more details.
- *
- * You should have received a copy of the GNU General Public License
- * version 2 (GPLv2) along with this source code.
  */
 
 #ifndef _CIPHER_H
@@ -23,6 +12,7 @@
 #include <crypto/aes.h>
 #include <crypto/internal/hash.h>
 #include <crypto/aead.h>
+#include <crypto/arc4.h>
 #include <crypto/gcm.h>
 #include <crypto/sha.h>
 #include <crypto/sha3.h>
@@ -34,9 +24,6 @@
 /* Driver supports up to MAX_SPUS SPU blocks */
 #define MAX_SPUS 16
 
-#define ARC4_MIN_KEY_SIZE   1
-#define ARC4_MAX_KEY_SIZE   256
-#define ARC4_BLOCK_SIZE     1
 #define ARC4_STATE_SIZE     4
 
 #define CCM_AES_IV_SIZE    16