The build time value used to fill in the LowestSupportedVersion field of
the EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the
GetImageInfo() service of the Firmware Management Protocol. This value is
only used if the firmware device does not provide a method to report the
lowest supported version value from the current firmware image and the
UEFI variable used to provide the lowest supported version value does not
exist. The default value is 0.
Build Time Firmware Device Lowest Support Version.

PCD Information

Name	Token Space	Token number	Data Type	Default Value
PcdFmpDeviceBuildTimeLowestSupportedVersion	gFmpDevicePkgTokenSpaceGuid	0x4000000C	UINT32	0x0