Add sub parser to tf-lite

Change-Id: I0e63d81d95528e6c278dc5fa8b87ccc1f8798130
Signed-off-by: Bruno Goncalves <bruno.slackware@gmail.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ebc5922..0492145 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -554,6 +554,7 @@
              src/armnnTfLiteParser/test/Pad.cpp
              src/armnnTfLiteParser/test/Reshape.cpp
              src/armnnTfLiteParser/test/Softmax.cpp
+             src/armnnTfLiteParser/test/Sub.cpp
              src/armnnTfLiteParser/test/Squeeze.cpp
              src/armnnTfLiteParser/test/LoadModel.cpp
              src/armnnTfLiteParser/test/GetBuffer.cpp