This value is used for the 32-bit PCI memory map I/O base address translation.
  32-bit PCI Memory Map I/O Base Address translation.
PCD Information
| Name | Token Space | Token number | Data Type | Default Value | 
| PcdPciMmio32Translation | gEfiMdePkgTokenSpaceGuid | 0x00000041 | UINT64 | 0x0 |