Update seabios to master snapshot (pre-1.7.4). Update vgabios, switch from lgplvgabios to seavgabios. Update build process to build both 128k and 256k bios versions. Use 256k bios for pc-*-2.0+ machine types.
Update seabios to master snapshot (pre-1.7.4). Update vgabios, switch from lgplvgabios to seavgabios. Update build process to build both 128k and 256k bios versions. Use 256k bios for pc-*-2.0+ machine types.