clk: qcom: smd: Add support for QCS404 rpm clocks

Add rpm smd clocks, PMIC and bus clocks which are required on QCS404
for clients to vote on.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Anu Ramanathan <anur@codeaurora.org>
[bjorn: Dropped voter clocks and static initialization]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[shawnguo: add qcs404 needed defines like QCOM_SMD_RPM_CE_CLK in smd-rpm.h]
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>