dt-bindings: fsl-imx-sdma: fix HDMI audio index

HDMI Audio has been added to the DT binding documentation with an
incorrect index. DT and the driver use index 26. This happened,
because the binding is missing MULTI_SAI type, which is using
index 25.

Reported-by: Michael Yackavage <[email protected]>
Fixes: 7bdbd87 ("dt-bindings: fsl-imx-sdma: Convert imx sdma to DT schema")
Acked-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Sebastian Reichel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring <[email protected]>

Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml

@@ -92,7 +92,8 @@ properties:
               description: needs firmware more than ver 2
           - Shared ASRC: 23
           - SAI: 24
-          - HDMI Audio: 25
+          - Multi SAI: 25
+          - HDMI Audio: 26
 
        The third cell: transfer priority ID
          enum: