The tca6416 chip is active low. Fix the reset-gpios value.

Fixes: e2a8fa1e ("arm64: dts: mediatek: fix tca6416 reset GPIOs in pumpkin")
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20210223221826.2063911-1-fparent@baylibre.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>