dt-bindings: clock: versal: Convert the xlnx,zynqmp-clk.txt to yaml

Convert the xlnx,zynqmp-clk.txt to yaml.
versal-clk.yaml already exists that's why ZynqMP is converted and
merged.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Link: https://lore.kernel.org/r/20230802043557.26478-1-shubhrajyoti.datta@amd.com


Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>