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

[Angel Pons (Code Review)]

Attention is currently required from: Arthur Heymans, Elyes Haouas, Felix Held, Julius Werner.

Angel Pons 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
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Patch Set 2:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84059/comment/8e799788_a8dfec2a?usp... :
PS2, Line 7: drivers/spi: Stop using a variable-length array
I'd add a `, 2nd try` suffix to help differentiate between the original and reverted commit.

https://review.coreboot.org/c/coreboot/+/84059/comment/18930118_0cf01315?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

https://review.coreboot.org/c/coreboot/+/84059/comment/43e1a058_3b9360e5?usp... :
PS2, Line 27: https://review.coreboot.org/c/coreboot/+/50480
I'd reference the commit hash instead