clk: qcom: smd-rpm: Move some RPM resources to the common header

In preparation for handling the bus clocks in the icc driver, carve out
some defines and a struct definition to the common rpm header.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Georgi Djakov <djakov@kernel.org>
Link: https://lore.kernel.org/r/20230526-topic-smd_icc-v7-4-09c78c175546@linaro.org


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