IVGCVSW-2691 Add Serialize/Deseralize Gather layer

Change-Id: I589d37c9f65801b701858d6e68e2e3151fac6e16
Signed-off-by: Saoirse Stewart <saoirse.stewart@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 185bdad..1c934a8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -605,6 +605,7 @@
                 src/armnnDeserializer/test/DeserializeEqual.cpp
                 src/armnnDeserializer/test/DeserializeFloor.cpp
                 src/armnnDeserializer/test/DeserializeFullyConnected.cpp
+                src/armnnDeserializer/test/DeserializeGather.cpp
                 src/armnnDeserializer/test/DeserializeGreater.cpp
                 src/armnnDeserializer/test/DeserializeMultiplication.cpp
                 src/armnnDeserializer/test/DeserializeNormalization.cpp