clk: qcom: smd: Add support for MSM8936 rpm clocks

Add missing definition of rpm clk for msm8936 soc (also used by msm8939)

Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Link: https://lore.kernel.org/r/20200613072745.1249003-2-vincent.knecht@mailoo.org


Signed-off-by: Stephen Boyd <sboyd@kernel.org>