Change in coreboot[master]: util/sconfig: Fix for multidomain support sconfig/devicetree.cb

[Mariusz Szafrański (Code Review)]

Attention is currently required from: Furquan Shaikh, Martin Roth, Jonathan Zhang, Paul Menzel, Angel Pons, Arthur Heymans.
Mariusz Szafrański has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/51180 )

Change subject: util/sconfig: Fix for multidomain support sconfig/devicetree.cb
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Patch Set 5:

(1 comment)

File util/sconfig/main.c:

https://review.coreboot.org/c/coreboot/+/51180/comment/67ea42ca_83805597 
PS5, Line 1344: extern DEVTREE_CONST struct device *const __pci_%d_%02x_%d
> > We need something that will distinguish devices on different domains - so why not use domain numbe […]
>
> Without that it's still there in the linked list and you can appropriately find and use it.

Finally it is not there because we have compilation error due to more than one variable declaration with exactly same name. It`s to avoid compilation error in case described in commit message.
> If you don't know the real bus (eg in early stages) and have not set it there is no point in trying the access this device, so also no point to try to expose it conveniently.

I don`t know bus number but I know that it is root bus in domain x so I can reference it as __pci_x_0_0