Change in coreboot[master]: device: Enable bus mastering on system-class devices conditionally

[Felix Singer (Code Review)]

Felix Singer has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/45151 )

Change subject: device: Enable bus mastering on system-class devices conditionally
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Patch Set 5:

(1 comment)

https://review.coreboot.org/c/coreboot/+/45151/4//COMMIT_MSG 
Commit Message:

https://review.coreboot.org/c/coreboot/+/45151/4//COMMIT_MSG@9 
PS4, Line 9: Devices of class type "system" are arbitrary devices and it's not clear
           : which of them need bus mastering. Therefore, enable bus mastering
           : conditionally based on Kconfig option PCI_ALLOW_BUS_MASTER_ANY_DEVICE.
           :
> hmm. […]

If anyone needs this, we can can add that later. I don't think we should invest more time than _really_ necessary into this, since we plan to remove it either.