clk: qcom: gcc-sm250: Use floor ops for sdcc clks

Followup to the commits 5e4b7e82 ("clk: qcom: gcc-sdm845: Use floor
ops for sdcc clks") and 6d37a8d1 ("clk: qcom: gcc-sc7180: Use floor ops
for sdcc clks"). Use floor ops for sdcc clocks on sm8250.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: 3e577092 ("clk: qcom: gcc: Add global clock controller driver
for SM8250")