dt-bindings: fsl: convert fsl,vf610-mscm-ir.txt to yaml format

Convert fsl,vf610-mscm-ir.txt to yaml format.

Additional changes:
- remove label at example dts.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250724190342.1321632-1-Frank.Li@nxp.com


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