chipset_enable: Split detection for AMD Merlin Falcon and Stoney

Split the chipset enable entries because future SoCs use the same
PCI IDs. We use the SMBus device for this, just like `sb600spi`.
However, as the latter expects the LPC device to be passed, we
have to look that up first.

Change-Id: Iba02d8695d150f9be51c996932b845a487b0e4ce
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/72574
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed