IVGCVSW-6685-6686 Modify workloads to extend Neon/Cl BaseWorkload

* Neon workloads to extend NeonBaseWorkload instead of BaseWorkload
* Cl workload to extend ClBaseWorkload instead of BaseWorkload


Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: I8f39a31a89a8865ac4acf18573ab290d548d2864
diff --git a/src/backends/neon/workloads/NeonConvertFp32ToFp16Workload.hpp b/src/backends/neon/workloads/NeonConvertFp32ToFp16Workload.hpp
index 71a7159..8e9f11b 100644
--- a/src/backends/neon/workloads/NeonConvertFp32ToFp16Workload.hpp
+++ b/src/backends/neon/workloads/NeonConvertFp32ToFp16Workload.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017 Arm Ltd. All rights reserved.
+// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //