IVGCVSW-5605 Doxygen: Move "OtherTools" to "Software Tools"

 * Uses README.md files to reduce duplications

Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: I2cfcb6cf02ac712656cb8c782c70d002df642b97
diff --git a/docs/Doxyfile b/docs/Doxyfile
index a50d381..98b2d47 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -817,9 +817,11 @@
                          ./docs/01_parsers.dox \
                          ./docs/02_deserializer_serializer.dox \
                          ./docs/04_backends.dox \
-                         ./docs/05_other_tools.dox \
                          ./src/armnnQuantizer/README.md \
                          ./src/armnnConverter/README.md \
+                         ./tests/ImageCSVFileGenerator/README.md \
+                         ./tests/ImageTensorGenerator/README.md \
+                         ./tests/ModelAccuracyTool-Armnn/README.md \
                          ./include/ \
                          ./src/ \
                          ./tests/ \