Convert the Cavium Octeon 3860 GPIO binding to DT schema format. It's a
straight forward conversion.
Looks like Octeon has no maintainers, so Bartosz is listed.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250714202927.3012974-1-robh@kernel.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
