IVGCVSW-3973 Add frontend for LOG_SOFTMAX

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Ic6acc7176deea3753b32ce6340f642d19dce0e9f
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0430643..e69d29c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -284,6 +284,8 @@
     src/armnn/layers/InstanceNormalizationLayer.cpp
     src/armnn/layers/L2NormalizationLayer.hpp
     src/armnn/layers/L2NormalizationLayer.cpp
+    src/armnn/layers/LogSoftmaxLayer.hpp
+    src/armnn/layers/LogSoftmaxLayer.cpp
     src/armnn/layers/LstmLayer.cpp
     src/armnn/layers/LstmLayer.hpp
     src/armnn/layers/MaximumLayer.cpp