[M] Change in coreboot[main]: soc/mediatek/mt8196: Add SPI driver support

[Paul Menzel (Code Review)]

Attention is currently required from: Hung-Te Lin, Jarried Lin, Yidi Lin, Yu-Ping Wu.

Paul Menzel has posted comments on this change by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/84930?usp=email )

Change subject: soc/mediatek/mt8196: Add SPI driver support
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Patch Set 1:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84930/comment/4f4ac00a_e1fc76c7?usp... :
PS1, Line 9: controlleer
controller

https://review.coreboot.org/c/coreboot/+/84930/comment/3a8e7b63_8e97511e?usp... :
PS1, Line 10: 
Mention that 8 busses are supported?

File src/soc/mediatek/mt8196/spi.c:

https://review.coreboot.org/c/coreboot/+/84930/comment/2021454a_56bf6b38?usp... :
PS1, Line 123: unsigned int
size_t