[XS] Change in flashrom[main]: linux_mtd: Provide no-op delay implementation

[Brian Norris (Code Review)]

Attention is currently required from: Anastasia Klimchuk, Hsuan-ting Chen, Nikolai Artemiev.

Brian Norris has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/80771?usp=email )

Change subject: linux_mtd: Provide no-op delay implementation
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Patch Set 2:

(1 comment)

Patchset:

PS1:
> Do you have any testing info that you can add to commit message? I strongly suspect that there is in […]

Sure! The BUG= and TEST= thing seems like more of a ChromiumOS thing than a coreboot.org thing, but I guess coreboot.org doesn't seem to mind them.

The details I had in the non-public bug were essentially a more verbose version of my last paragraph (1.1 seconds time waste). But I've added a few more details of the exact operation and stats.