[coreboot] What's the difference between bios.bin.elf-20081108-viavga and bios.bin.elf-20081108

[Yunchuan Qin]

I noticed that there is two version for seabios on 20081108. The
bios.bin.elf-20081108-viavga works fine for me but the source code I
download from git tree cannot.
The log says:

Scan for option roms Found option rom with bad checksum: loc=000c0000
len=64000 sum=000000ff
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