IVGCVSW-5395 TfLiteDelegate: Implement the Softmax operators

Signed-off-by: James Ward <james.ward@arm.com>
Change-Id: I9f098c6b62ebb08e727aa8547e08bddc0b814705
diff --git a/delegate/CMakeLists.txt b/delegate/CMakeLists.txt
index 3c77dcf..595784f 100644
--- a/delegate/CMakeLists.txt
+++ b/delegate/CMakeLists.txt
@@ -126,9 +126,11 @@
         src/test/QuantizationTestHelper.hpp
         src/test/ResizeTest.cpp
         src/test/ResizeTestHelper.hpp
+        src/test/SoftmaxTest.cpp
+        src/test/SoftmaxTestHelper.hpp
+        src/test/TestUtils.hpp
         src/test/TransposeTest.cpp
-        src/test/TransposeTestHelper.hpp
-        src/test/TestUtils.hpp)
+        src/test/TransposeTestHelper.hpp)
 
     add_executable(DelegateUnitTests ${armnnDelegate_unittest_sources})
     target_include_directories(DelegateUnitTests PRIVATE third-party)