IVGCVSW-5393 'TfLiteDelegate: Implement the split operators'

* Added SPLIT and SPLIT_V support to armnn_delegate

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I2def9b8be783b25ef17a997e521c6027553035d3
diff --git a/delegate/CMakeLists.txt b/delegate/CMakeLists.txt
index c04472e..677a38e 100644
--- a/delegate/CMakeLists.txt
+++ b/delegate/CMakeLists.txt
@@ -39,6 +39,7 @@
         src/Slice.hpp
         src/Softmax.hpp
         src/SpaceDepth.hpp
+        src/Split.hpp
         src/Transpose.hpp)
 
 add_library(armnnDelegate SHARED ${armnnDelegate_sources})
@@ -132,6 +133,8 @@
         src/test/ResizeTestHelper.hpp
         src/test/SoftmaxTest.cpp
         src/test/SoftmaxTestHelper.hpp
+        src/test/SplitTest.cpp
+        src/test/SplitTestHelper.hpp
         src/test/TestUtils.hpp
         src/test/TestUtils.cpp
         src/test/TransposeTest.cpp