Summary

1. And fixed some modes as well.
2. Don't limit the LFB mapping to just the VGA mapping 0xA000, fixes Win2000 booting into the GUI using the Mach32 VLB/PCI (or when the LFB is used).

Checklist

• Closes #xxx
• I have tested my changes locally and validated that the functionality works as intended
• I have discussed this with core contributors already
• This pull request requires changes to the ROM set
  • I have opened a roms pull request - https://github.com/86Box/roms/pull/changeme/
• This pull request requires changes to the asset set
  • I have opened an assets pull request - https://github.com/86Box/assets/pull/changeme/

References

Mach32 EEPROM Modes