[coreboot-gerrit] [M] Change in coreboot[main]: device/pciexp_device.c: Fix setting Max Payload Size

[Krystian Hebel (Code Review)]

Attention is currently required from: Angel Pons, Arthur Heymans, Felix Held, Michał Żygowski, Nico Huber, Patrick Rudolph.

Krystian Hebel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/77338?usp=email )

Change subject: device/pciexp_device.c: Fix setting Max Payload Size
......................................................................

Patch Set 10:

(1 comment)

File src/device/pciexp_device.c:

https://review.coreboot.org/c/coreboot/+/77338/comment/abdbf22e_e00199f9 :
PS10, Line 709: pciexp_configure_max_payload
> This is what I did: […]

Drop testing for !root in `while`, it is handled later inside the loop.

```
while (pdev->bus && pdev->bus->dev)
```