[S] Change in coreboot[main]: src/device: Add more condition to check valid PCI device id

[Wonkyu Kim (Code Review)]

Attention is currently required from: Anil Kumar K, Bora Guvendik, Jamie Ryu, Jeremy Compostella, Pratikkumar V Prajapati, Subrata Banik.

Wonkyu Kim has posted comments on this change by Wonkyu Kim. ( https://review.coreboot.org/c/coreboot/+/84228?usp=email )

Change subject: src/device: Add more condition to check valid PCI device id
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Patch Set 2:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/84228/comment/1c740478_620e5db4?usp... :
PS2, Line 12: Below are invalid PCI device id cases
            : VID: 0x0 or 0xffff
            : DID: 0x0 or 0xffff
> > Yes, there is issue in valid VID with 0x0 DID in PSS environment. […]

I think it does not harm to add more condition and DID 0x0 and 0xffff are not valid .  Do you have concern for performance by checking more? Or do you think DID 0x0 or 0xffff can be valid case? 
If we're worried about performance issue, we can add Kconfig to check more like this.