plat: xilinx: versal: Add support of set max latency for the device

Add support of set max latency, to change in the maximum powerup latency
requirements for a specific device currently used by Subsystem.

Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Change-Id: I8749886abb1a7884a42c4d156d89c9cd562a5b1a
4 files changed