clk: qcom: Add spmi_pmic clock divider support

Clkdiv module provides a clock output on the PMIC with CXO as
the source. This clock can be routed through PMIC GPIOs. Add
a device driver to configure this clkdiv module.

Change-Id: Ida932e6d4f24b9716128bad583612bb8cb691185
Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>
[sboyd: Simplified code and moved to devm clk provider APIs]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Git-commit: 4cfaa55f42aa3365603f99e3d695939114706b8b
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git


[collinsd@codeaurora.org: resolve minor merge conflicts]
Signed-off-by: David Collins <collinsd@codeaurora.org>