Add the DT binding documentation for NXP MQS driver
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/65e1f035aea2951aacda54aa3a751bc244f72f6a.1568367274.git.shengjiu.wang@nxp.comSigned-off-by: Mark Brown <broonie@kernel.org>