add scoreboard source (moving from ieee754fpu repo)
-rw-r--r-- 99 .gitignore
-rw-r--r-- 158 .gitmodules
drwxr-xr-x - TLB
drwxr-xr-x - TestUtil
drwxr-xr-x - Waveforms
-rw-r--r-- 234 mypy.ini
m--------- - nmigen-type-annotations
drwxr-xr-x - scoreboard