dt-bindings: dma: fsl,edma: Add i.MX94 support

Add support for the i.MX94 DMA controllers. The SoC includes two DMA
controllers: one compatible with i.MX93 eDMA3 and another compatible with
i.MX95 eDMA5.

Add compatible string "fsl,imx94-edma3" with fallback to "fsl,imx93-edma3".
Add compatible string "fsl,imx94-edma5" with fallback to "fsl,imx95-edma5".

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250221222153.405285-1-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: nxpfrankli

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

@@ -27,6 +27,14 @@ properties:
           - fsl,imx93-edma4
           - fsl,imx95-edma5
           - nxp,s32g2-edma
+      - items:
+          - enum:
+              - fsl,imx94-edma3
+          - const: fsl,imx93-edma3
+      - items:
+          - enum:
+              - fsl,imx94-edma5
+          - const: fsl,imx95-edma5
       - items:
           - const: fsl,ls1028a-edma
           - const: fsl,vf610-edma