dt-bindings: timer: cdns,ttc: drop unneeded minItems

There is no need to add minItems when it is equal to maxItems.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220424150333.75172-1-krzysztof.kozlowski@linaro.org

Documentation/devicetree/bindings/timer/cdns,ttc.yaml

@@ -17,7 +17,6 @@ properties:
     maxItems: 1
 
   interrupts:
-    minItems: 3
     maxItems: 3
     description: |
       A list of 3 interrupts; one per timer channel.