Change in coreboot[master]: mb/google/guybrush: Add variant_espi_gpio_table

[Rob Barnes (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Julius Werner, Yu-Ping Wu, Karthik Ramasubramanian, Felix Held.
Rob Barnes has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59082 )

Change subject: mb/google/guybrush: Add variant_espi_gpio_table
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Patch Set 2:

(2 comments)

File src/mainboard/google/guybrush/verstage.c:

https://review.coreboot.org/c/coreboot/+/59082/comment/a3a1dbec_288ed9ad 
PS1, Line 64: gpio_configure_pads
> Do we need to setup the I2C TPM GPIOs?

That's handled in follow on CL.

File src/security/vboot/vboot_common.h:

https://review.coreboot.org/c/coreboot/+/59082/comment/1985b416_dd42a5f3 
PS1, Line 46: verstage_mainboard_espi_init
> I would put this in a Cezanne specific header. […]

psp_verstage.h