Converts net/mdio-gpio.txt to yaml
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Link: https://lore.kernel.org/r/20210505202815.2665920-1-clabbe@baylibre.comSigned-off-by: Rob Herring <robh@kernel.org>