dt-bindings: timer: samsung,exynos4210-mct: 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/20220424150333.75172-2-krzysztof.kozlowski@linaro.org

Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml

@@ -24,7 +24,6 @@ properties:
       - samsung,exynos4412-mct
 
   clocks:
-    minItems: 2
     maxItems: 2
 
   clock-names: