zynqmp: pm_service: Add support to query max divisor

Add new QID to get maximum supported divisor by clock.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Change-Id: I35fc92457e522f3f0614d983c21e55c2b0b8e80a
4 files changed