Add DIV support to TFLite parser

* Added unit tests
* Updated Documentation

Signed-off-by: Darshan Patel <darsh.jp@gmail.com>
Change-Id: Iadb5c76139d74d755d7f4be4b023b4417efe1e92
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 692bc04..c2c4cc6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -769,6 +769,7 @@
              src/armnnTfLiteParser/test/DepthwiseConvolution2D.cpp
              src/armnnTfLiteParser/test/Dequantize.cpp
              src/armnnTfLiteParser/test/DetectionPostProcess.cpp
+             src/armnnTfLiteParser/test/Div.cpp
              src/armnnTfLiteParser/test/Exp.cpp
              src/armnnTfLiteParser/test/FullyConnected.cpp
              src/armnnTfLiteParser/test/L2Normalization.cpp