dt-bindings: timer: nxp,sysctr-timer: add nxp,no-divider property

The base clock input to system counter is internally divided by 3 in
previous design, but there is change that no divider now. So add
a property to indicate that.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220902111207.2902493-2-peng.fan@oss.nxp.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml

@@ -32,6 +32,10 @@ properties:
   clock-names:
     const: per
 
+  nxp,no-divider:
+    description: if present, means there is no internal base clk divider.
+    type: boolean
+
 required:
   - compatible
   - reg