clk: samsung: exynosautov9: add dpum clock support

Add dpum clock for exynosautov9.

Signed-off-by: Kwanghoon Son <k.son@samsung.com>
Link: https://lore.kernel.org/r/20240809-clk_dpum-v3-3-359decc30fe2@samsung.com


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