fuzzers: 074-dump_all depends on 005-tilegrid.
fuzzers: 074-dump_all depends on 005-tilegrid.

The `generate_grid.py` tool requires tilegrid.json to run.

Fixes #601.

Signed-off-by: Tim 'mithro' Ansell <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@mith.ro>

SymbiFlow/prjxray,SymbiFlow/prjxray,SymbiFlow/prjxray,SymbiFlow/prjxray,SymbiFlow/prjxray