dt-bindings: mmc: fsl-imx-esdhc: add iommus property

iMX95 and iMX8QM have smmu. Add property "iommus".
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240201-8qm_smmu-v2-1-3d12a80201a3@nxp.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml

@@ -163,6 +163,9 @@ properties:
       - const: ahb
       - const: per
 
+  iommus:
+    maxItems: 1
+
   power-domains:
     maxItems: 1