Change in coreboot[master]: mb/google/brya/variants/crota: set up gpio

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Terry Chen, Paul Menzel, Nick Vaccaro, Zhuohao Lee, YH Lin.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62854 )

Change subject: mb/google/brya/variants/crota: set up gpio
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Patch Set 7:

(2 comments)

File src/mainboard/google/brya/variants/crota/gpio.c:

https://review.coreboot.org/c/coreboot/+/62854/comment/9c30a1e2_25b87564 
PS7, Line 49: /* E22 : DDPA_CTRLCLK ==> USB_C0_AUX_DC_STRAP_P */
            : 	PAD_CFG_NF(GPP_E22, NONE, DEEP, NF6),
Is this supposed to be an AUX DC bias GPIO?

https://review.coreboot.org/c/coreboot/+/62854/comment/92008818_ece636cf 
PS7, Line 143: 	/* A12 : SATAXPCIE1 ==> EN_PPVAR_WWAN (set here for correct power sequencing) */
             : 	PAD_CFG_GPO(GPP_A12, 1, DEEP),
is this the 850-GL ? please follow redrix for guidelines implementing the WWAN power sequencing