arm: dts: aspeed: Add power9 CFAM dtsi and use it on OpenPower P9 machines

This provides proper chip IDs but also adds the various sub-devices
necessary for the future OCC driver among other. All the added nodes
comply with the existing upstream FSI bindings.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
6 files changed