Tweaked legacy VGA IODevice to allow for not loading VGABIOS ROM
Tweaked legacy VGA IODevice to allow for not loading VGABIOS ROM

asmblah/jemul8,asmblah/jemul8,spthaolt/jemul8,spthaolt/jemul8,spthaolt/jemul8,asmblah/jemul8