[coreboot-gerrit] Change in coreboot[master]: option: Allow to use the EFI variable driver as option backend

[Angel Pons (Code Review)]

Attention is currently required from: Sean Rhodes, Michał Żygowski, Patrick Rudolph, Matt DeVillier.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62562 )

Change subject: option: Allow to use the EFI variable driver as option backend
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Patch Set 3: Code-Review+1

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/62562/comment/41a41786_431de80a 
PS3, Line 9: region
nit: move to next line to honor the 72 character limit

File src/drivers/efi/option.c:

https://review.coreboot.org/c/coreboot/+/62562/comment/281520ae_e127de3f 
PS3, Line 42: 	return efi_fv_set_option(&rdev, &EficorebootNvDataGuid, name, &var, sizeof(var));
I'm somewhat concerned about returning EFI-specific error codes, even though the return value of `set_uint_option()` is currently never checked.