IVGCVSW-7344  Add LeakyRelu Activation support to TOSA Reference Backend

  * Adding a one to many FP32 tosa mapping for Leaky Relu
  * Added a few utilities that are needed
  * Added new tests

Signed-off-by: Tracy Narine <tracy.narine@arm.com>
Change-Id: If1d7c57a523961581777a244416a7346a9310803
diff --git a/src/backends/tosaCommon/operatorMappings/CMakeLists.txt b/src/backends/tosaCommon/operatorMappings/CMakeLists.txt
index b694634..58a6457 100644
--- a/src/backends/tosaCommon/operatorMappings/CMakeLists.txt
+++ b/src/backends/tosaCommon/operatorMappings/CMakeLists.txt
@@ -1,9 +1,11 @@
 #
-# Copyright © 2022-2023 Arm Ltd and Contributors. All rights reserved.
+# Copyright © 2022-2024 Arm Ltd and Contributors. All rights reserved.
 # SPDX-License-Identifier: MIT
 #
 
 list(APPEND armnnTosaBackendOperators_sources
+        ActivationOperator.hpp
+        ActivationOperator.cpp
         AvgPool2DIgnoreValueOperator.hpp
         AvgPool2DIgnoreValueOperator.cpp
         ConcatOperator.hpp
@@ -29,6 +31,7 @@
         SplitOperator.hpp
         SplitOperator.cpp
         TosaOperatorUtils.hpp
+        TosaRescaleOperatorUtils.hpp
         TransposeConv2dOperator.hpp
         TransposeConv2dOperator.cpp
         TransposeOperator.hpp