audit: Convert to SPDX identifier

Use SPDX-License-Identifier instead of a verbose license text.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

kernel/auditsc.c

+// SPDX-License-Identifier: GPL-2.0-or-later
 /* auditsc.c -- System-call auditing support
  * Handles all system-call specific auditing features.
  *
@@ -6,20 +7,6 @@
  * Copyright (C) 2005, 2006 IBM Corporation
  * All Rights Reserved.
  *
- * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
  * Written by Rickard E. (Rik) Faith <faith@redhat.com>
  *
  * Many of the ideas implemented here are from Stephen C. Tweedie,