From PI spec vol2:
Prior to invoking any UEFI drivers, applications, or connecting consoles,
the platform should signal the event EFI_END_OF_DXE_EVENT_GUID
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Cinnamon Shia <cinnamon.shia@hpe.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>