dt-bindings: arm: bcm: add NSP devices to SoCs

Currently only the SoC names are added. This patch expands these to add
the devices.

Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>