Dev

[lgxi24]

1. Implementation to allow passing port_width
2. Implementation to allow passing DMA_WIDTH and DATA_WIDTH
3. Implementation to reformat common.hpp and common_tb.hpp header files
4. Fix data overlap issues in mem_write HLS function

August 21st Update:

1. Implementation of elementwise_add and elementwise_mul modules
2. Implementation of split, elementwise_add and elementwise_mul layers
3. Fix HLS testbench template for WEIGHTS_RELOADING_FLAG = False