dt-bindings: soc: amlogic: convert clk-measure.txt to dt-schema

Convert the Amlogic Internal Clock Measurer bindings to dt-schema.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230209-b4-amlogic-bindings-convert-take2-v1-2-c4fe9049def9@linaro.org


Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>