regulator: dt-bindings: microchip,mcp16502: convert to YAML

Convert devicetree binding mcp16502-regulator.txt to YAML format.

Signed-off-by: Andrei Simion <andrei.simion@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240201161517.492162-1-andrei.simion@microchip.com


Signed-off-by: Mark Brown <broonie@kernel.org>