dt-bindings: convert rtc/faraday,ftrtc01 to yaml

Converts rtc/faraday,ftrtc01.txt to yaml.
This permits to detect some missing properties: reg, resets, interrupts

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210510182505.3968936-1-clabbe@baylibre.com