Reorganized code : Testing and benchmarking code in different folders.
Corrected small bug in framework wehn reading parameter files (wrong
number of parameter combinations).
Added benchmarking code for ComplexMathFunctions and some parts of
FilteringFunctions.
(For our internal use. In short term, we won't give support about it).
CMSIS-DSP: Update to cmake build for the testing framework
CMSIS-NN:Implementation of arm_fully_connected_s8
Use API and quantization compatible with TF Lite.