arm64: zynqmp: Print the value of pl clocks and wdt clock using clk dump

This patch print pl clocks (pl0...pl3) and watchdog
clock using clk dump.

Signed-off-by: Vipul Kumar <vipulk@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>