Convert the Broadcom Cygnus PCIe PHY Device Tree binding t YAML to help
with validation.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20211214035820.2984289-6-f.fainelli@gmail.comSigned-off-by: Rob Herring <robh@kernel.org>