[M] Change in flashrom[main]: Extract SPI declarations to the correct header

[Peter Marheine (Code Review)]

Attention is currently required from: Anastasia Klimchuk, Antonio Vázquez Blanco, David Reguera Garcia (Dreg), Matti Finder, Miklós Márton, Nikolai Artemiev, Sergii Dmytruk.

Peter Marheine has posted comments on this change by Antonio Vázquez Blanco. ( https://review.coreboot.org/c/flashrom/+/85539?usp=email )

Change subject: Extract SPI declarations to the correct header
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Patch Set 2:

(2 comments)

File edi.c:

https://review.coreboot.org/c/flashrom/+/85539/comment/107cd861_f79f24d4?usp... :
PS2, Line 18: #include <spi.h>
These are not system includes, so the newly-added lines should still be quoted (`"spi.h"`). That goes for all of these `<spi.h>` occurrences.

File include/spi.h:

https://review.coreboot.org/c/flashrom/+/85539/comment/8e57b371_0609e974?usp... :
PS2, Line 19: #include <flash.h>
Same as for `spi.h`, quote this instead of using angle brackets.