[S] Change in coreboot[main]: mb/google/brya/uldrenite: Add WWAN RW350R-GL power on sequence

[Subrata Banik (Code Review)]

Attention is currently required from: Dinesh Gehlot, Dtrain Hsu, Eric Lai, Jayvik Desai, John Su, Kapil Porwal, Nick Vaccaro.

Subrata Banik has posted comments on this change by John Su. ( https://review.coreboot.org/c/coreboot/+/85537?usp=email )

Change subject: mb/google/brya/uldrenite: Add WWAN RW350R-GL power on sequence
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Patch Set 1:

(1 comment)

File src/mainboard/google/brya/variants/uldrenite/variant.c:

https://review.coreboot.org/c/coreboot/+/85537/comment/96da98d6_9238ef1a?usp... :
PS1, Line 24: variant_init
looks like we will increase the boot time by 50ms. this is 5% of total boot time. Can't this be managed by ACPI code at runtime ? why we need to perform the WWAN init seq in AP FW ?