Change in coreboot[master]: soc/intel/common/block/gpio: add variant_gpio_lock_config()

[Nick Vaccaro (Code Review)]

Attention is currently required from: Tim Wawrzynczak, Zhuohao Lee, Patrick Rudolph.
Nick Vaccaro has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60274 )

Change subject: soc/intel/common/block/gpio: add variant_gpio_lock_config()
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Patch Set 2:

(1 comment)

Patchset:

PS2:
> Given those options, I would opt for modifying mb_gpio_lock_config() api to allow for passing back t […]

I decided to add a bool *delete parameter to mb_gpio_lock_config() that will indicate to the caller whether or not to delete the memory returned after using the list.  This should address all concerns.