Change in flashrom[master]: Add mediatek_i2c_spi interface

[Edward O'Callaghan (Code Review)]

Attention is currently required from: Nico Huber, Angel Pons, Neill Corlett.
Edward O'Callaghan has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/61288 )

Change subject: Add mediatek_i2c_spi interface
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Patch Set 2: Code-Review+2

(2 comments)

File mediatek_i2c_spi.c:

https://review.coreboot.org/c/flashrom/+/61288/comment/a21a32e8_cbb2eac3 
PS1, Line 96: args.data->block
> Inclined to leave as-is unless there are strong objections.

Ack. Angel is right, I like avoiding such things but Nico's point is fair style.

https://review.coreboot.org/c/flashrom/+/61288/comment/8e985e3b_3f509e36 
PS1, Line 249: 0x426, 7
> My understanding is that this is the usual, expected, line that's supposed to go to WP#. […]

Having seen these kinds of datasheets before I know what you mean Neill lol. I think we may never know the precise meanings here.