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, Marshall Dawson, Felix Held.
Hello build bot (Jenkins), Jason Glenesk, Raul Rangel, Furquan Shaikh, Marshall Dawson,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/50626

to look at the new patch set (#4).

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

Despite missing in the PPR, device pci 18.7 exists on Picasso.

TEST=Mandolin still boots and works and device 00:18.7 is present in
lspci output.

Signed-off-by: Felix Held 
Change-Id: I6b7c3fd32579a23539594672593a243172c161c7
---
M src/mainboard/amd/mandolin/variants/cereme/devicetree.cb
M src/mainboard/amd/mandolin/variants/mandolin/devicetree.cb
M src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb
M src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb
M src/soc/amd/picasso/Kconfig
A src/soc/amd/picasso/chipset.cb
6 files changed, 23 insertions(+), 44 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/26/50626/4