dt-bindings: remoteproc: imx_rproc: Support i.MX8QM

Add i.MX8QM compatible.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20221021041526.3696483-3-peng.fan@oss.nxp.comSigned-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml

@@ -22,6 +22,7 @@ properties:
       - fsl,imx8mn-cm7
       - fsl,imx8mp-cm7
       - fsl,imx8mq-cm4
+      - fsl,imx8qm-cm4
       - fsl,imx8qxp-cm4
       - fsl,imx8ulp-cm33
       - fsl,imx93-cm33