[xen staging] tools/misc: Add xenwatchdogd.c copyright notice

[patchbot@xxxxxxx]

commit 9c872b5766cde6cd9ebeb724a346aaee16e87c84
Author:     Leigh Brown <leigh@xxxxxxxxxxxxx>
AuthorDate: Tue Apr 23 14:10:16 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Apr 23 14:10:16 2024 +0200

    tools/misc: Add xenwatchdogd.c copyright notice
    
    Add copyright notice and description of the program.
    
    Signed-off-by: Leigh Brown <leigh@xxxxxxxxxxxxx>
    Acked-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
---
 tools/misc/xenwatchdogd.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/misc/xenwatchdogd.c b/tools/misc/xenwatchdogd.c
index a16d1efc13..2884ca6ca9 100644
--- a/tools/misc/xenwatchdogd.c
+++ b/tools/misc/xenwatchdogd.c
@@ -1,3 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * xenwatchdogd.c
+ *
+ * Watchdog based on Xen hypercall watchdog interface.
+ *
+ * Copyright 2010 Citrix Ltd
+ * Copyright 2024 Leigh Brown <leigh@xxxxxxxxxxxxx>
+ *
+ */
 
 #include <err.h>
 #include <limits.h>
--
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