doc: add SPDX tag for OPDL guide

Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>

diff --git a/doc/guides/eventdevs/opdl.rst b/doc/guides/eventdevs/opdl.rst
index 979f6cd..cbfd1f1 100644 (file)
--- a/doc/guides/eventdevs/opdl.rst
+++ b/doc/guides/eventdevs/opdl.rst
@@ -1,5 +1,5 @@
-..  BSD LICENSE
-    Copyright(c) 2017 Intel Corporation. All rights reserved.
+..  SPDX-License-Identifier: BSD-3-Clause
+    Copyright(c) 2017 Intel Corporation.
 
 OPDL Eventdev Poll Mode Driver
 ==================================