clk: qcom: dispcc-sm8550: make struct clk_init_data const

The clk_init_data instances are not changed at runtime. Mark them as
constant data.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240717-dispcc-sm8550-fixes-v2-3-5c4a3128c40b@linaro.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>