[dpdk-dev] [PATCH 3/3] doc: add missing SPDX license tags

[Stephen Hemminger <stephen@networkplumber.org>]

A few files in doc directory were missing license tag info.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 doc/guides/custom.css                            | 1 +
 doc/guides/linux_gsg/nic_perf_intel_platform.rst | 3 +++
 doc/guides/prog_guide/build-sdk-meson.rst        | 3 +++
 3 files changed, 7 insertions(+)

diff --git a/doc/guides/custom.css b/doc/guides/custom.css
index c87c60611929..a1572eaf9da6 100644
--- a/doc/guides/custom.css
+++ b/doc/guides/custom.css
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /* Override readthedocs theme */
 
 /* Spacing before a list item must be bigger than spacing inside the item.
diff --git a/doc/guides/linux_gsg/nic_perf_intel_platform.rst b/doc/guides/linux_gsg/nic_perf_intel_platform.rst
index 08be5d58b9bb..3ca52c4c65fb 100644
--- a/doc/guides/linux_gsg/nic_perf_intel_platform.rst
+++ b/doc/guides/linux_gsg/nic_perf_intel_platform.rst
@@ -1,3 +1,6 @@
+..  SPDX-License-Identifier: BSD-3-Clause
+    Copyright(c) 2010-2019 Intel Corporation.
+
 How to get best performance with NICs on Intel platforms
 ========================================================
 
diff --git a/doc/guides/prog_guide/build-sdk-meson.rst b/doc/guides/prog_guide/build-sdk-meson.rst
index 44d1cafdf035..ac3b89c3009d 100644
--- a/doc/guides/prog_guide/build-sdk-meson.rst
+++ b/doc/guides/prog_guide/build-sdk-meson.rst
@@ -1,3 +1,6 @@
+..  SPDX-License-Identifier: BSD-3-Clause
+    Copyright(c) 2019-2020 Intel Corporation.
+
 Installing DPDK Using the meson build system
 ============================================
 
-- 
2.27.0