[M] Change in flashrom[master]: drivers: Move (un)map_flash_region from programmer to par_master

[Jonathon Hall (Code Review)]

Attention is currently required from: Thomas Heijligen, Edward O'Callaghan, Nikolai Artemiev, Peter Marheine.

Jonathon Hall has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/67695 )

Change subject: drivers: Move (un)map_flash_region from programmer to par_master
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Patch Set 4:

(2 comments)

Patchset:

PS3:
> I've some WIP patches for atavia and atapromise. […]

This patch will supersede CB:67655, but I'll leave CB:67656 separate since it isn't so trivial (unless you would rather I merge it into this patch).

File serprog.c:

https://review.coreboot.org/c/flashrom/+/67695/comment/823dfc3b_9fb5d96a 
PS2, Line 582: 	.map_flash_region	= serprog_map,
> This is a hack to make sure the chips have a max size of 16MB. […]

Ah I see it now, I replaced the mapper with max_rom_decode for all bus types.