[S] Change in coreboot[master]: device/pci_rom: Set VBIOS checksum when filling VFCT table

[Eric Lai (Code Review)]

Attention is currently required from: CoolStar, Martin L Roth, Matt DeVillier, Matt DeVillier, Paul Menzel.

Eric Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/77628?usp=email )

Change subject: device/pci_rom: Set VBIOS checksum when filling VFCT table
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Patch Set 4:

(1 comment)

File src/device/pci_rom.c:

https://review.coreboot.org/c/coreboot/+/77628/comment/19c82aa8_0f572759 :
PS4, Line 255: 		header->VbiosContent[VFCT_VBIOS_CHECKSUM_OFFSET] = 0;
> because the checksum will otherwise be incorrect, since it's just an inverted sum of the values

I see but not all the code clear the data first. Do we need fix? Is write_le8 the right way?

https://source.chromium.org/search?q=acpi_checksum&ss=chromiumos%2Fchrom...