Change in coreboot[master]: soc/mediatek/mt8195: Add GPIO driver

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Hung-Te Lin, Martin Roth, Rex-BC Chen, Yidi Lin, JG Poxu.
Yu-Ping Wu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52598 )

Change subject: soc/mediatek/mt8195: Add GPIO driver
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Patch Set 4:

(3 comments)

File src/soc/mediatek/mt8195/gpio.c:

https://review.coreboot.org/c/coreboot/+/52598/comment/fc9b3596_64249855 
PS4, Line 5: #include <assert.h>
Do we need this?

https://review.coreboot.org/c/coreboot/+/52598/comment/2e5a89b4_597241bc 
PS4, Line 54: )
Add {} for if clause

File src/soc/mediatek/mt8195/include/soc/gpio.h:

https://review.coreboot.org/c/coreboot/+/52598/comment/f54cdb94_889001ed 
PS4, Line 42: TP_GPIO0_AO
Please align with "0"