license: add missing SPDX headers

Add SPDX header to files with existing license.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

arch/xtensa/core/startup/memctl_default.S

@@ -1,5 +1,7 @@
 // memctl_default.S  - Default startup value for MEMCTL register.
 
+// SPDX-License-Identifier: MIT
+
 // Copyright (c) 1998-2015 Cadence Design Systems, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining

arch/xtensa/core/startup/memerror-vector.S

@@ -1,4 +1,5 @@
 /* memerror-vector.S  --  Memory Error Exception Vector and Handler */
+/* SPDX-License-Identifier: MIT */
 
 /*
  * Copyright (c) 2006-2013 Tensilica Inc.

doc/extensions/lexer/DtsLexer.py

@@ -1,4 +1,5 @@
 #!/usr/bin/python
+# SPDX-License-Identifier: BSD-2-Clause
 #
 # Contributors Listed Below - COPYRIGHT 2016
 # [+] International Business Machines Corp.

doc/extensions/local_util.py

@@ -1,4 +1,5 @@
 # Utility functions used in conf.py
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright 2017 Espressif Systems (Shanghai) PTE LTD
 #

doc/extensions/zephyr/html_redirects.py

@@ -1,5 +1,7 @@
 # Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
 #
+# SPDX-License-Identifier: Apache-2.0
+
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at

drivers/ethernet/eth_smsc911x_priv.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: Apache-2.0 */
 /* mbed Microcontroller Library
  * Copyright (c) 2017 ARM Limited
  * Copyright (c) 2018-2019 Linaro Limited

include/arch/nios2/nios2.h

@@ -1,6 +1,8 @@
 #ifndef ZEPHYR_INCLUDE_ARCH_NIOS2_NIOS2_H_
 #define ZEPHYR_INCLUDE_ARCH_NIOS2_NIOS2_H_
 
+/* SPDX-License-Identifier: Xnet */
+
 /******************************************************************************
 *                                                                             *
 * License Agreement                                                           *

include/bluetooth/a2dp-codec.h

@@ -1,8 +1,8 @@
 /** @file
  * @brief Advance Audio Distribution Profile - SBC Codec header.
  */
-
 /*
+ * SPDX-License-Identifier: Apache-2.0
  * Copyright (c) 2015-2016 Intel Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");

include/net/http_parser.h

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: MIT */
+
 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy

include/net/http_parser_state.h

@@ -1,3 +1,6 @@
+
+/* SPDX-License-Identifier: MIT */
+
 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy

include/net/http_parser_url.h

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: MIT */
+
 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy

include/usb/class/usb_dfu.h

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
 /***************************************************************************
  *
  * Copyright(c) 2015,2016 Intel Corporation.

include/usb/usb_common.h

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
 /***************************************************************************
  *
  *

include/usb/usb_device.h

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
 /*
  *  LPCUSB, an USB device driver for LPC microcontrollers
  *  Copyright (C) 2006 Bertrik Sikken (bertrik@sikken.nl)

include/usb/usbstruct.h

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
 /*
  *  LPCUSB, an USB device driver for LPC microcontrollers
  *  Copyright (C) 2006 Bertrik Sikken (bertrik@sikken.nl)

lib/fnmatch/fnmatch.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
 /*    $NetBSD: fnmatch.c,v 1.26 2014/10/12 22:32:33 christos Exp $    */
 
 /*

lib/fnmatch/fnmatch.h

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
 /*    $NetBSD: fnmatch.h,v 1.12.50.1 2011/02/08 16:18:55 bouyer Exp $    */
 
 /*-

lib/libc/minimal/source/stdlib/atoi.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: MIT */
+
 /*
  * Copyright © 2005-2014 Rich Felker, et al.
  *

lib/libc/minimal/source/stdlib/strtol.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-4-Clause-UC */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.

lib/libc/minimal/source/stdlib/strtoul.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-4-Clause-UC */
+
 /*
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.

lib/libc/minimal/source/string/strstr.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-4-Clause-UC */
+
 /*-
  * Copyright (c) 1990, 1993
  *      The Regents of the University of California.  All rights reserved.

subsys/net/lib/http/http_parser.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: MIT */
+
 /* Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev
  *
  * Additional changes are licensed under the same terms as NGINX and

subsys/net/lib/http/http_parser_url.c

@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: MIT */
+
 /* Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev
  *
  * Additional changes are licensed under the same terms as NGINX and