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

[Patrick Rudolph (Code Review)]

Attention is currently required from: Sean Rhodes, Michał Żygowski, Patrick Rudolph, Matt DeVillier.
Hello build bot (Jenkins), Sean Rhodes, Michał Żygowski, Matt DeVillier, Angel Pons,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/62562

to look at the new patch set (#3).

Change subject: option: Allow to use the EFI variable driver as option backend
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option: Allow to use the EFI variable driver as option backend

Use the introduced EFI variable store driver on top of the SMMSTORE region
in SPI flash to read/write options.

Change-Id: I520eca96bcd573f825ed35a29bf8f750e313a02d
Signed-off-by: Patrick Rudolph 
---
M src/Kconfig
A src/drivers/efi/option.c
2 files changed, 54 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/62/62562/3