[M] Change in coreboot[master]: mb/siemens/mc_ehl4: Adjust GPIOs

[Mario Scheithauer (Code Review)]

Attention is currently required from: Paul Menzel, Werner Zeh, Jan Samek.

Mario Scheithauer has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74628 )

Change subject: mb/siemens/mc_ehl4: Adjust GPIOs
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Patch Set 4:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/74628/comment/116cec74_a1de5118 
PS2, Line 9: Set the GPIOs according to the circuit diagram for this mainboard.
> For me it’s unclear, if the GPIO configuration was copy-pasted before, and therefore was wrong or no […]

Done

Patchset:

PS3:
> OK, understand.

I also think that the entries then become too many and also FSP still makes changes.
Beside this, with the last patch I removed the GBE0 GPIOs, because the device is not activated in devicetree.

File src/mainboard/siemens/mc_ehl/variants/mc_ehl4/gpio.c:

https://review.coreboot.org/c/coreboot/+/74628/comment/47741db8_56ca0f13 
PS2, Line 8:
> Unrelated?

Done