dt-bindings: arm: bcm: Convert BCM4708 to YAML

Update the Broadcom BCM4708 SoC family binding document for boards/SoCs
to use YAML. Verified with dt_binding_check and dtbs_check.

Acked-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2 files changed