Merge changes from topic "xlnx_fix_plat_single_ret" into integration

* changes:
  fix(versal2): modify function to have single return
  fix(versal-net): modify function to have single return
  fix(versal): modify function to have single return
  fix(xilinx): modify function to have single return
  fix(zynqmp): modify function to have single return
  fix(versal-net): add unsigned suffix to match data type
  fix(versal): add unsigned suffix to match data type
  fix(versal2): add missing curly braces
  fix(versal-net): add missing curly braces
  fix(zynqmp): add missing curly braces