dt-bindings: clock: add Exynos Auto v9 SoC CMU bindings

Add dt-schema for Exynos Auto v9 SoC clock controller.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220504075154.58819-3-chanho61.park@samsung.com


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>