firmware: arm_scmi: Implement clock get permissions

firmware: arm_scmi: Implement clock get permissions

ARM SCMI v3.2 introduces clock get permission command. To implement the
same let us stash the values of those permissions in the scmi_clock_info.
They indicate if the operation is forbidden or not.

If the CLOCK_GET_PERMISSIONS command is not supported, the default
permissions are set to allow the operations, otherwise they will be set
according to the response of CLOCK_GET_PERMISSIONS from the SCMI
platform firmware.

Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20240121110901.1414856-1-peng.fan@oss.nxp.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>