Change in coreboot[master]: soc/amd/common/apob: Add support for asynchronously reading APOB_NV

[Julius Werner (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Felix Held.
Julius Werner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/56232 )

Change subject: soc/amd/common/apob: Add support for asynchronously reading APOB_NV
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Patch Set 7: Code-Review+1

(1 comment)

File src/soc/amd/common/block/apob/apob_cache.c:

https://review.coreboot.org/c/coreboot/+/56232/comment/6aca2840_89ca3c46 
PS6, Line 71: 	if  (fmap_locate_area(DEFAULT_MRC_CACHE, r) < 0) {
> I think the reason we do this is because we start with the ro rdev, and if we need to update the SPI […]

I would say just use the RW rdev right away in that case, or just look up the FMAP section again. Either option sounds better than this.