[XS] Change in coreboot[main]: mb/siemens/mc_ehl: Prefer include <soc/gpio.h> via <gpio.h>

[Elyes Haouas (Code Review)]

Elyes Haouas has abandoned this change. ( https://review.coreboot.org/c/coreboot/+/82863?usp=email )

Change subject: mb/siemens/mc_ehl: Prefer include <soc/gpio.h> via <gpio.h>
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Abandoned