linux-imx

dt-bindings: fsi: Add optional chip-id to CFAMs

This represents a physical chip in the system and allows
a stable numbering scheme to be passed to udev for userspace
to recognize which chip is which.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Rob Herring <robh@kernel.org>