tools: Add SPDX License Identifier

This patch adds SPDX License Identifier and removes the license text.

-------------------------------------
       License            COUNT
-------------------------------------
 GPL-2.0-or-later     :     97
 LGPL-2.1-or-later    :     38
 GPL-2.0-only         :      2

License: GPL-2.0-or-later
   tools/l2cap-tester.c
   tools/hcisecfilter.c
   tools/ciptool.c
   tools/btsnoop.c
   tools/check-selftest.c
   tools/btpclientctl.c
   tools/hci-tester.c
   tools/hcitool.c
   tools/btiotest.c
   tools/oobtest.c
   tools/btinfo.c
   tools/hwdb.c
   tools/hciattach_bcm43xx.c
   tools/mgmt-tester.c
   tools/hex2hcd.c
   tools/hciattach_st.c
   tools/smp-tester.c
   tools/bluetooth-player.c
   tools/hciattach_tialt.c
   tools/gap-tester.c
   tools/bluemoon.c
   tools/bneptest.c
   tools/gatt-service.c
   tools/rctest.c
   tools/rfcomm-tester.c
   tools/hcieventmask.c
   tools/hciattach_ti.c
   tools/seq2bseq.c
   tools/scotest.c
   tools/bcmfw.c
   tools/hciconfig.c
   tools/btattach.c
   tools/l2ping.c
   tools/obexctl.c
   tools/l2test.c
   tools/hciattach_intel.c
   tools/hciattach.h
   tools/create-image.c
   tools/bnep-tester.c
   tools/userchan-tester.c
   tools/rfcomm.c
   tools/btmon-logger.c
   tools/hcidump.c
   tools/rtlfw.c
   tools/hciattach_qualcomm.c
   tools/btproxy.c
   tools/nokfw.c
   tools/hciattach_ath3k.c
   tools/3dsp.c
   tools/bdaddr.c
   tools/sco-tester.c
   tools/hciattach.c
   tools/amptest.c
   tools/btgatt-server.c
   tools/btgatt-client.c
   tools/cltest.c
   tools/ibeacon.c
   tools/mcaptest.c
   tools/hid2hci.c
   tools/btmgmt.c
   tools/advtest.c
   tools/eddystone.c
   tools/avtest.c
   tools/mpris-proxy.c
   tools/avinfo.c
   tools/sdptool.c
   tools/btconfig.c
   tools/update_compids.sh
   tools/parser/parser.h
   tools/parser/obex.c
   tools/parser/amp.c
   tools/parser/sdp.c
   tools/parser/tcpip.c
   tools/parser/sap.c
   tools/parser/cmtp.c
   tools/parser/avctp.c
   tools/parser/lmp.c
   tools/parser/ppp.c
   tools/parser/rfcomm.h
   tools/parser/hci.c
   tools/parser/sdp.h
   tools/parser/parser.c
   tools/parser/rfcomm.c
   tools/parser/avdtp.c
   tools/parser/avrcp.c
   tools/parser/ericsson.c
   tools/parser/hcrp.c
   tools/parser/bpa.c
   tools/parser/hidp.c
   tools/parser/bnep.c
   tools/parser/capi.c
   tools/parser/att.c
   tools/parser/l2cap.c
   tools/parser/smp.c
   tools/parser/csr.c
   tools/parser/l2cap.h
   tools/parse_companies.pl

License: LGPL-2.1-or-later
   tools/test-runner.c
   tools/btpclient.c
   tools/meshctl.c
   tools/mesh-cfgclient.c
   tools/mesh/model.h
   tools/mesh/util.h
   tools/mesh/config-model.h
   tools/mesh/cfgcli.h
   tools/mesh/mesh-db.c
   tools/mesh/mesh-db.h
   tools/mesh/keys.c
   tools/mesh/util.c
   tools/mesh/agent.h
   tools/mesh/remote.c
   tools/mesh/keys.h
   tools/mesh/agent.c
   tools/mesh/cfgcli.c
   tools/mesh/remote.h
   tools/mesh-gatt/prov.c
   tools/mesh-gatt/util.h
   tools/mesh-gatt/prov.h
   tools/mesh-gatt/net.c
   tools/mesh-gatt/util.c
   tools/mesh-gatt/prov-db.h
   tools/mesh-gatt/crypto.c
   tools/mesh-gatt/crypto.h
   tools/mesh-gatt/gatt.c
   tools/mesh-gatt/config-server.c
   tools/mesh-gatt/keys.h
   tools/mesh-gatt/onoff-model.c
   tools/mesh-gatt/net.h
   tools/mesh-gatt/gatt.h
   tools/mesh-gatt/node.c
   tools/mesh-gatt/config-client.c
   tools/mesh-gatt/mesh-net.h
   tools/mesh-gatt/node.h
   tools/mesh-gatt/onoff-model.h
   tools/mesh-gatt/prov-db.c

License: GPL-2.0-only
   tools/obex-server-tool.c
   tools/obex-client-tool.c

1 files changed, 1 insertions, 14 deletions

diff --git a/tools/btgatt-client.c b/tools/btgatt-client.c
index bc762dba1..523d6ec30 100644
--- a/tools/btgatt-client.c
+++ b/tools/btgatt-client.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  BlueZ - Bluetooth protocol stack for Linux
  *
  *  Copyright (C) 2014  Google Inc.
  *
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  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 for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H