The number of bytes between registers in serial device. The default is 1 byte.
Serial Port Register Stride in Bytes
PCD Information
| Name | Token Space | Token number | Data Type | Default Value |
| PcdSerialRegisterStride | gEfiMdeModulePkgTokenSpaceGuid | 0x0001006d | UINT32 | 1 |
1.8.6 
