Add documentation to describe Xilinx ZynqMP reset driver
bindings.
Signed-off-by: NNava kishore Manne <nava.manne@xilinx.com>
Signed-off-by: NJolly Shah <jollys@xilinx.com>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>