Change in coreboot[master]: soc/amd/picasso: introduce and use chipset device tree

[Felix Held (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Furquan Shaikh, Marshall Dawson.
Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50626 )

Change subject: soc/amd/picasso: introduce and use chipset device tree
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Patch Set 4:

(1 comment)

File src/soc/amd/picasso/chipset.cb:

PS3:
> You can use aliases to make it easy for the mainboard to reference the device. Something like: […]

the alias support looks very useful. since i'm currently still busy with cezanne, i'll look into using aliases on picasso at some later point in time