Make dmem operate on the byte-level instead of on words.
Make dmem operate on the byte-level instead of on words.

- More testing required.
- Creates many more read and write ports which is far from optimal.

deekshadangwal/PyRTL,UCSBarchlab/PyRTL,deekshadangwal/PyRTL,nvandervoort/PyRTL,nvandervoort/PyRTL,UCSBarchlab/PyRTL