[coreboot-gerrit] Change in coreboot[master]: soc/amd/{common,picasso}: Use common PCIE_GPP_DRIVER driver

[Jason Glenesk (Code Review)]

Attention is currently required from: Raul Rangel, Marshall Dawson, Felix Held.
Jason Glenesk has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/54028 )

Change subject: soc/amd/{common,picasso}: Use common PCIE_GPP_DRIVER driver
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Patch Set 2: Code-Review+1