Change in coreboot[master]: driver/wifi: Add _DSM method for DDRRFIM

[Varshit B Pandya (Code Review)]

Attention is currently required from: Subrata Banik, Maulik V Vaghela, Paul Menzel, Tim Wawrzynczak, Sugnan Prabhu S.
Varshit B Pandya has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61020 )

Change subject: driver/wifi: Add _DSM method for DDRRFIM
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Patch Set 23:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/61020/comment/8aa44bf0_1ad34c30 
PS22, Line 7: src/
> Please remove that from the prefix.

Done

https://review.coreboot.org/c/coreboot/+/61020/comment/d0d6b3f1_e5afb821 
PS22, Line 9: coreboot needs to propagate the CnviDdrRfim value info of the feature
            : enable/disable state into the CNVi via the WiFi DSM ACPI object.
> Why does coreboot need to do that?

updated the commit msg

https://review.coreboot.org/c/coreboot/+/61020/comment/ffdb0fd6_40981b83 
PS22, Line 13: function
> functions

Done