treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 501

Based on 1 normalized pattern(s):

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 see readme and copying for
more details

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-only

has been chosen to replace the boilerplate/reference in 9 file(s).

Signed-off-by: Thomas Gleixner <[e-mail]>
Reviewed-by: Kate Stewart <[e-mail]>
Reviewed-by: Enrico Weigelt <[e-mail]>
Reviewed-by: Allison Randal <[e-mail]>
Cc: [e-mail]
Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/net/wireless/admtek/adm8211.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 
 /*
  * Linux device driver for ADMtek ADM8211 (IEEE 802.11b MAC/BBP)
···
  * and used with permission.
  *
  * Much thanks to Infineon-ADMtek for their support of this driver.
- *
- * 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. See README and COPYING for
- * more details.
  */
 
 #include <linux/interrupt.h>

drivers/net/wireless/intel/ipw2x00/libipw.h

···
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Merged with mainline ieee80211.h in Aug 2004.  Original ieee802_11
  * remains copyright by the original authors
···
  * Adaption to a generic IEEE 802.11 stack by James Ketrenos
  * <[e-mail]>
  * Copyright (c) 2004-2005, Intel Corporation
- *
- * 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. See README and COPYING for
- * more details.
  *
  * API Version History
  * 1.0.x -- Initial version

drivers/net/wireless/intel/ipw2x00/libipw_rx.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Original code based Host AP (software wireless LAN access point) driver
  * for Intersil Prism2/2.5/3 - hostap.o module, common routines
···
  * <[e-mail]>
  * Copyright (c) 2002-2003, Jouni Malinen <[e-mail]>
  * Copyright (c) 2004-2005, Intel Corporation
- *
- * 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. See README and COPYING for
- * more details.
  */
 
 #include <linux/compiler.h>

drivers/net/wireless/intersil/hostap/hostap_hw.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Host AP (software wireless LAN access point) driver for
  * Intersil Prism2/2.5/3.
···
  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
  * <[e-mail]>
  * Copyright (c) 2002-2005, Jouni Malinen <[e-mail]>
- *
- * 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. See README and COPYING for
- * more details.
  *
  * FIX:
  * - there is currently no way of associating TX packets to correct wds device

drivers/net/wireless/intersil/hostap/hostap_main.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Host AP (software wireless LAN access point) driver for
  * Intersil Prism2/2.5/3 - hostap.o module, common routines
···
  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
  * <[e-mail]>
  * Copyright (c) 2002-2005, Jouni Malinen <[e-mail]>
- *
- * 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. See README and COPYING for
- * more details.
  */
 
 #include <linux/module.h>

lib/hexdump.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * lib/hexdump.c
- *
- * 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. See README and COPYING for
- * more details.
  */
 
 #include <linux/types.h>

net/wireless/lib80211_crypt_ccmp.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * lib80211 crypt: host-based CCMP encryption implementation for lib80211
  *
  * Copyright (c) 2003-2004, Jouni Malinen <[e-mail]>
  * Copyright (c) 2008, John W. Linville <[e-mail]>
- *
- * 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. See README and COPYING for
- * more details.
  */
 
 #include <linux/kernel.h>

net/wireless/lib80211_crypt_tkip.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * lib80211 crypt: host-based TKIP encryption implementation for lib80211
  *
  * Copyright (c) 2003-2004, Jouni Malinen <[e-mail]>
  * Copyright (c) 2008, John W. Linville <[e-mail]>
- *
- * 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. See README and COPYING for
- * more details.
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

net/wireless/lib80211_crypt_wep.c

···
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * lib80211 crypt: host-based WEP encryption implementation for lib80211
  *
  * Copyright (c) 2002-2004, Jouni Malinen <[e-mail]>
  * Copyright (c) 2008, John W. Linville <[e-mail]>
- *
- * 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. See README and COPYING for
- * more details.
  */
 
 #include <linux/err.h>