treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482

Based on 1 normalized pattern(s):

  this work is licensed under the terms of the gnu gpl version 2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 48 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Enrico Weigelt <info@metux.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081204.624030236@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 3f3eac4..e995c12 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /* Copyright (C) 2009 Red Hat, Inc.
  * Copyright (C) 2006 Rusty Russell IBM Corporation
  *
@@ -6,8 +7,6 @@
  * Inspiration, some code, and most witty comments come from
  * Documentation/virtual/lguest/lguest.c, by Rusty Russell
  *
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
  * Generic code for virtio server in host kernel.
  */