[coreboot-gerrit] Change in coreboot[master]: Documentation: gpio: Update table as per coreboot guidelines

[Eric Lai (Code Review)]

Attention is currently required from: Subrata Banik, Angel Pons, Michael Niewöhner, Felix Held.
Eric Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63126 )

Change subject: Documentation: gpio: Update table as per coreboot guidelines
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Patch Set 2:

(1 comment)

Patchset:

PS2: 
If you use ``` and ``` , it means code block. All formats won't work in the between. In this case, just draw like in c code.