COMPMID-577: Implement CL validation for GaussianPyramid

Change-Id: If879cbe15b14d97818c24d44b29fc69b6c8cb686
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/127601
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/validation/reference/GaussianPyramidHalf.cpp b/tests/validation/reference/GaussianPyramidHalf.cpp
index 0a68ded..7d5eb07 100644
--- a/tests/validation/reference/GaussianPyramidHalf.cpp
+++ b/tests/validation/reference/GaussianPyramidHalf.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *