dt-bindings: misc: convert fsl,dpaa2-console from txt to YAML

Convert fsl,dpaa2-console to YAML in order to automate the
verification process of dts files.

Signed-off-by: Ionut-robert Aron <ionut-robert.aron@nxp.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20201109104635.21116-1-laurentiu.tudor@nxp.com


Signed-off-by: Rob Herring <robh@kernel.org>