This PCD indicates if debugger exists. 
 TRUE - Firmware debugger exists.
 FALSE - Firmware debugger doesn't exist.
  Firmware debugger status.
PCD Information
| Name | Token Space | Token number | Data Type | Default Value | 
| PcdFirmwareDebuggerInitialized | gEfiSecurityPkgTokenSpaceGuid | 0x00010009 | BOOLEAN | FALSE |