[XL] Change in flashrom[master]: tree/: Convert flashchip write func ptr to enumerate

[Edward O'Callaghan (Code Review)]

Attention is currently required from: Felix Singer, Angel Pons, Anastasia Klimchuk.

Edward O'Callaghan has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/66782 )

Change subject: tree/: Convert flashchip write func ptr to enumerate
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Patch Set 9:

(1 comment)

File include/flash.h:

https://review.coreboot.org/c/flashrom/+/66782/comment/e9188252_69f76bd8 
PS8, Line 229: chip_write_func
> There is an inconsistency in enum names at the moment: […]

The functions are all inconsistent identifiers, I did best efforts not to be too confusing as a patch and not be overlapping with a rename patch. My take would be to follow up with a make everything consistent rename patch.