Use the same license as the files from which the code originated during
recent code movements. Take the opportunity to add SPDX identifier for
device-tree.c and remove the license text.

Signed-off-by: Michal Orzel <michal.or...@amd.com>
---
This is mostly fixing files added recently by Oleksii.
---
 xen/common/device-tree/device-tree.c  |  5 +----
 xen/common/device-tree/domain-build.c | 11 +++++++++++
 xen/common/device-tree/kernel.c       | 11 +++++++++++
 3 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/xen/common/device-tree/device-tree.c 
b/xen/common/device-tree/device-tree.c
index 90fee2ba0315..886e6c7712de 100644
--- a/xen/common/device-tree/device-tree.c
+++ b/xen/common/device-tree/device-tree.c
@@ -1,13 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Device Tree
  *
  * Copyright (C) 2012 Citrix Systems, Inc.
  * Copyright 2009 Benjamin Herrenschmidt, IBM Corp
  * b...@kernel.crashing.org
- *
- * 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.
  */
 
 #include <xen/types.h>
diff --git a/xen/common/device-tree/domain-build.c 
b/xen/common/device-tree/domain-build.c
index 762b63e2b00a..3d7fc7a19ef6 100644
--- a/xen/common/device-tree/domain-build.c
+++ b/xen/common/device-tree/domain-build.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <xen/bootfdt.h>
 #include <xen/fdt-domain-build.h>
 #include <xen/init.h>
@@ -393,3 +395,12 @@ void __init initrd_load(struct kernel_info *kinfo,
 
     iounmap(initrd);
 }
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/xen/common/device-tree/kernel.c b/xen/common/device-tree/kernel.c
index 1bf3bbf64eae..cb04cd9d5014 100644
--- a/xen/common/device-tree/kernel.c
+++ b/xen/common/device-tree/kernel.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #include <xen/bootfdt.h>
 #include <xen/device_tree.h>
 #include <xen/fdt-kernel.h>
@@ -240,3 +242,12 @@ void __init kernel_load(struct kernel_info *info)
 
     info->load(info);
 }
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
-- 
2.25.1


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