fpga: zynqmp: Add support to get the PCAP status for fpga info command

fpga: zynqmp: Add support to get the PCAP status for fpga info command

This patch adds support for ZynqMP platform to print FPGA PCAP status
for "fpga status" command.

Signed-off-by: Nitin Jain <nitinj@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>