Change in coreboot[master]: [RFC] device: Introduce new method for setting device states

[Nico Huber (Code Review)]

Attention is currently required from:  Felix Singer, Raul Rangel, Furquan Shaikh, Matt DeVillier, Angel Pons, Michael Niewöhner, Patrick Rudolph, Felix Held.
Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52493 )

Change subject: [RFC] device: Introduce new method for setting device states
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Patch Set 17:

(1 comment)

File src/soc/intel/skylake/chip.c:

https://review.coreboot.org/c/coreboot/+/52493/comment/3da7471d_aff0417c 
PS13, Line 461: if (!xdci_can_enable())
              : 		params->XdciEnable = 0;
> params->XdciEnable = xdci_can_enable();

That's not the same... It would even set `1` if the device is disabled
in the dt but allowed by vboot. `&=` might do.