[S] Change in coreboot[main]: drivers/spi: Stop using a variable-length array, 2nd try

[Arthur Heymans (Code Review)]

Attention is currently required from: Angel Pons, Elyes Haouas, Felix Held, Julius Werner.

Arthur Heymans has posted comments on this change by Arthur Heymans. ( https://review.coreboot.org/c/coreboot/+/84059?usp=email )

Change subject: drivers/spi: Stop using a variable-length array, 2nd try
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Patch Set 3:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84059/comment/9118cd97_ec8bd339?usp... :
PS2, Line 22:  in
> nit: if you move `in` to the next line, this paragraph would have the same line length as the other two

Everything just has the max len allowed for a line.

https://review.coreboot.org/c/coreboot/+/84059/comment/898fa1bd_9abc70c1?usp... :
PS2, Line 27: https://review.coreboot.org/c/coreboot/+/50480
> I'd reference the commit hash instead

Done