IVGCVSW-3975 Add reference workload for LOG_SOFTMAX

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: I10bb7133e0e2d6d7199abdf39562b1226bbbd3e7
diff --git a/src/backends/backendsCommon/test/CMakeLists.txt b/src/backends/backendsCommon/test/CMakeLists.txt
index f7d58bf..d353a77 100644
--- a/src/backends/backendsCommon/test/CMakeLists.txt
+++ b/src/backends/backendsCommon/test/CMakeLists.txt
@@ -91,6 +91,8 @@
     layerTests/L2NormalizationTestImpl.cpp
     layerTests/L2NormalizationTestImpl.hpp
     layerTests/LayerTestResult.hpp
+    layerTests/LogSoftmaxTestImpl.cpp
+    layerTests/LogSoftmaxTestImpl.hpp
     layerTests/LstmTestImpl.cpp
     layerTests/LstmTestImpl.hpp
     layerTests/MaximumTestImpl.cpp