regwt: vecmd [-Nh] regwt [address] [data] [mask bit]
  8Byte data is written in BAR2 area.

  option
   -N           VE_no is directed.
   -h           help is indicated.

  parameter
   address:     BAR2 VE address

   data:        write 64bit data

   mask bit:    write mask 64bit

  end status
    Success:
    Failed:     Type miss
                Ex. address isn't 8Byte boundary designation.
