MLCE-530 Add support for UnidirectionalSequenceLstm to armnn delegate

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: Ib04f8d6b9e60a4204c56eba4c2ecd2b316509dcc
diff --git a/delegate/CMakeLists.txt b/delegate/CMakeLists.txt
index b43feb7..effb093 100644
--- a/delegate/CMakeLists.txt
+++ b/delegate/CMakeLists.txt
@@ -181,6 +181,8 @@
         src/test/TestUtils.cpp
         src/test/TransposeTest.cpp
         src/test/TransposeTestHelper.hpp
+        src/test/UnidirectionalSequenceLstmTest.cpp
+        src/test/UnidirectionalSequenceLstmTestHelper.hpp
         src/test/UnpackTest.cpp
         src/test/UnpackTestHelper.hpp)