[S] Change in flashrom[main]: Correct get_flash_region() to use inclusive upper bounds

[Peter Marheine (Code Review)]

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

Peter Marheine has posted comments on this change by Peter Marheine. ( https://review.coreboot.org/c/flashrom/+/82496?usp=email )

Change subject: Correct get_flash_region() to use inclusive upper bounds
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Patch Set 7:

(1 comment)

Patchset:

PS6:
> I am wondering, this path in ichspi (ich_get_region) is the same in Chrome OS, is it possible to do  […]

I tested reading flash on a yaviks board both with and without this patch, and it looks okay. In both cases the debug messages correctly indicated the extent of the IFD regions that were being read.

Added a TEST line to the commit message to reflect this.