[coreboot-gerrit] [S] Change in coreboot[master]: mb/google/rex: Add WWAN poweron sequencing

[Tarun Tuli (Code Review)]

Attention is currently required from: Kapil Porwal, Ivy Jian.

Tarun Tuli has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/67332 )

Change subject: mb/google/rex: Add WWAN poweron sequencing
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Patch Set 1:

(1 comment)

File src/mainboard/google/rex/variants/rex0/gpio.c:

https://review.coreboot.org/c/coreboot/+/67332/comment/135720ab_bb749407 
PS1, Line 373: 	/* GPP_B17 : [] ==> EN_WWAN_PWR */
Is it possible to start doing this sequencing starting in romstage?  The time delta should be minimal.   Reason is if we ever need to update this after FSI, we can't change the boot block again.