Change in ...coreboot[master]: Untangle CBFS microcode updates

[Aaron Durbin (Code Review)]

Aaron Durbin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/29934 )

Change subject: Untangle CBFS microcode updates
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Patch Set 9:
> Patch Set 9:
> > This seems to have broken mb/googl/{sarien,arcada}. I'm not sure what's the root cause, but I just wanted to note this in here. We might need to flip a local config value in chromium.
>
> Hi Aaron,
>
> is it failing to build or to boot?

boot
> Is that Cannon Lake or Coffee Lake? In the former case, you
> still need an external microcode binary. The Kconfig symbol
> for that case was renamed from CPU_MICROCODE_CBFS_GENERATE
> to CPU_MICROCODE_CBFS_EXTERNAL_BINS.
>
> Might also still be needed for some Coffee Lake steppings.

It's whiskey lake which is using one of those two. I can't remember which honestly. I suspect it's an issue w/ an uncoordinated flag setting change. Once hear exact root cause I'll update.