clk: scmi: Add support for clock {set,get}_parent

SCMI v3.2 adds set/get parent clock commands, so update the SCMI clock
driver to support them.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20231004-scmi-clock-v3-v5-2-1b8a1435673e@nxp.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
1 file changed