[M] Change in flashrom[master]: ichspi: Expose flash descriptor regions through get_region()

[Edward O'Callaghan (Code Review)]

Attention is currently required from: Nikolai Artemiev.

Edward O'Callaghan has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/70127 )

Change subject: ichspi: Expose flash descriptor regions through get_region()
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Patch Set 3:

(5 comments)

Commit Message:

https://review.coreboot.org/c/flashrom/+/70127/comment/3f3ee6a2_5f743f85 
PS3, Line 24: TEST=todo
with this patch focused more on just the hwseq path it will make the testing easier.

File ichspi.c:

https://review.coreboot.org/c/flashrom/+/70127/comment/77171c68_2d50b803 
PS3, Line 300: static struct fd_region fd_regions[MAX_FD_REGIONS] = {{0}};
put this inside `struct hwseq_data`

https://review.coreboot.org/c/flashrom/+/70127/comment/9e1c9e76_aa8116fd 
PS3, Line 1158:  fd_regions
fetch this out of the master's opaque data field.

https://review.coreboot.org/c/flashrom/+/70127/comment/84c4bdcf_c7419677 
PS3, Line 1853: fd_regions
pass a reference to this in as a argument to the function.

https://review.coreboot.org/c/flashrom/+/70127/comment/c3c284bf_ed91e7e3 
PS3, Line 1940: 	.get_region	= ich_get_region,
Add support for non-hwseq mode in a seperate patch.