fix counter test & gemmini_params.h

revert gemmini_params.h to fix gemmini ci

Merge pull request #51 from ucb-bar/ext-spad

filter out ext spad tests

optionally expose top level functions as non-static

fix fp normalization

ISA changes for spad loop config

overwrite default gemmini_params.h

update mvout_spad instruction calls and separate matmul spad test

add loop fsm spad config instructions

additional mvout_spad inst

add dedicated mvout to scratchpad test

matmul to spad test

add new mv to scratchpad instruction

Merge pull request #44 from rogerhh/dev