MLCE-530 Add front end support for UnidirectionalSequenceLstm on ArmNN

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: I57bcbdec3eb0155f41af0fe7d6abf9bac2ec86eb
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 13d3937..0156a19 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -331,6 +331,8 @@
     src/armnn/layers/TransposeConvolution2dLayer.hpp
     src/armnn/layers/TransposeLayer.hpp
     src/armnn/layers/TransposeLayer.cpp
+    src/armnn/layers/UnidirectionalSequenceLstmLayer.cpp
+    src/armnn/layers/UnidirectionalSequenceLstmLayer.hpp
     src/armnn/layers/UnmapLayer.cpp
     src/armnn/layers/UnmapLayer.hpp
     src/armnn/AsyncExecutionCallback.cpp