clk: samsung: add Exynos ACPM clock driver

clk: samsung: add Exynos ACPM clock driver

Add the Exynos ACPM clock driver. It provides support for clocks that
are controlled by firmware that implements the ACPM interface.

Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Tested-by: Peter Griffin <peter.griffin@linaro.org> # on gs101-oriole
Link: https://patch.msgid.link/20251010-acpm-clk-v6-4-321ee8826fd4@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>