dt-bindings: fsl-dma: fsl-edma: clean up unused "fsl,imx8qm-adma" compatible string

The eDMA hardware issue only exist imx8QM A0. A0 never mass production.
The compatible string "fsl,imx8qm-adma" is unused. So remove it safely.
Signed-off-by: Joy Zou <joy.zou@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240424064508.1886764-3-joy.zou@nxp.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/dma/fsl,edma.yaml

@@ -21,7 +21,6 @@ properties:
       - enum:
           - fsl,vf610-edma
           - fsl,imx7ulp-edma
-          - fsl,imx8qm-adma
           - fsl,imx8qm-edma
           - fsl,imx8ulp-edma
           - fsl,imx93-edma3
@@ -92,7 +91,6 @@ allOf:
         compatible:
           contains:
             enum:
-              - fsl,imx8qm-adma
               - fsl,imx8qm-edma
               - fsl,imx93-edma3
               - fsl,imx93-edma4