[S] Change in coreboot[main]: mb/google/brox/jubilant: Modify WWAN Rolling RW101R-GL power sequence

[Ren Kuo (Code Review)]

Attention is currently required from: Bob Moragues, Bob Moragues, Karthik Ramasubramanian, Kenneth Chan, Paul Menzel, Shelley Chen, Subrata Banik.

Ren Kuo has posted comments on this change by Ren Kuo. ( https://review.coreboot.org/c/coreboot/+/84689?usp=email )

Change subject: mb/google/brox/jubilant: Modify WWAN Rolling RW101R-GL power sequence
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Patch Set 5:

(5 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84689/comment/64aa7168_b01a5f60?usp... :
PS4, Line 9: mdule
> module

fixed.

https://review.coreboot.org/c/coreboot/+/84689/comment/db17037a_26d587d3?usp... :
PS4, Line 9: There is no ACPI power resource for LTE mdule Rolling RW101R-GL
> Could such a resource be added?

Maybe it's a log term solution.

https://review.coreboot.org/c/coreboot/+/84689/comment/4f8eec5e_790380cf?usp... :
PS4, Line 10: power off
> Ditto.

fixed.

https://review.coreboot.org/c/coreboot/+/84689/comment/5445b469_9528e22f?usp... :
PS4, Line 10: power on
> As it is *not* used as a verb here: poweron or power-on.

fixed.

https://review.coreboot.org/c/coreboot/+/84689/comment/c03537fc_1ff4aa6b?usp... :
PS4, Line 13:
> What sources did you use to implement this?

For the power sequence, we have to control the related pins:
WWAN_PWR_EN
WWAN_FPCO#
WWAN_RESET#