Change in coreboot[master]: soc/intel/alderlake: Hook up VrPowerDeliveryDesign to devicetree

[Lean Sheng Tan (Code Review)]

Attention is currently required from: Felix Singer, Subrata Banik, Maulik V Vaghela, Tim Wawrzynczak, Christian Walter, Meera Ravindranath, Arthur Heymans.
Lean Sheng Tan has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63303 )

Change subject: soc/intel/alderlake: Hook up VrPowerDeliveryDesign to devicetree
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Patch Set 3:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/63303/comment/7edbd361_17ac3014 
PS3, Line 8: 
           : The FSP needs to program VrPowerDeliverDesign configuration per
           : platform according to the platform capabilities to avoid incorrect
           : electrial/power parameters. This value is an enum of the available
           : power delivery segments that are defined in the Platform Design
           : Guide.
> if I am understanding correctly (and to be a little more specific), the FSP will read the SKU inform […]

Yes correct, but this upd will provide even more refined power settings out of more than 50 options from the table in FSP (unfortunately I am not sure I am allowed to open source the table).
Without setting this, FSP debug will print error log and applied a more generic power settings.