* support for different inp/wgt bits, rewrote dot for clarity
* [VTA] [Chisel] support for different inp/wgt bits, rewrote DotProduct for clarity
* [VTA] [Chisel] support for different inp/wgt bits, rewrote DotProduct for clarity
* change back to sim
* fix index
* fix index
* fix indent
* fix indent
* fix indent
* fix trailing spaces
* fix trailing spaces
* change to more descriptive name
* matric->matrix
* fix spacing
* fix spacing & added generic name for dot
* better parameter flow
* spacing
* spacing
* spacing
* update requirement (tested) for dot, spacing
* function call convention
* small edit
