interconnect: qcom: rpm: Rename icc provider num_clocks to num_bus_clocks

In preparation for handling non-scaling clocks that we still have to
enable, rename num_clocks to more descriptive num_bus_clocks.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230228-topic-qos-v8-2-ee696a2c15a9@linaro.org


Signed-off-by: Georgi Djakov <djakov@kernel.org>