doc: replace sfc license text with SPDX tag

Fix license from BSD-2-Clause to BSD-3-Clause since the file was
lost on the driver license change.

Bump copyright year.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>

diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst
index 5f35bc5..67d9b05 100644 (file)
--- a/doc/guides/nics/sfc_efx.rst
+++ b/doc/guides/nics/sfc_efx.rst
@@ -1,31 +1,10 @@
-..  BSD LICENSE
-    Copyright (c) 2016 Solarflare Communications Inc.
+..  SPDX-License-Identifier: BSD-3-Clause
+    Copyright (c) 2016-2019 Solarflare Communications Inc.
     All rights reserved.
 
     This software was jointly developed between OKTET Labs (under contract
     for Solarflare) and Solarflare Communications, Inc.
 
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-
-    1. Redistributions of source code must retain the above copyright notice,
-       this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright notice,
-       this list of conditions and the following disclaimer in the documentation
-       and/or other materials provided with the distribution.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
-    THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-    PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
-    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-    OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
-    EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
 Solarflare libefx-based Poll Mode Driver
 ========================================