dt-bindings: mmc: fsl-imx-esdhc: add default and 100mhz state

Some devices support only the default and the 100MHz case, add the
support for this to the binding to avoid warnings.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240221184602.3639619-1-m.felsch@pengutronix.deSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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

@@ -177,6 +177,11 @@ properties:
           - const: state_100mhz
           - const: state_200mhz
           - const: sleep
+      - minItems: 2
+        items:
+          - const: default
+          - const: state_100mhz
+          - const: sleep
       - minItems: 1
         items:
           - const: default