The PcdEmulatorEnable should be TRUE to keep semantic affinity
[Impaction]
Change the PcdEmulatorEnable to TRUE
[Reference Info]
use PcdEmulatorEnable to avoid install two instances of EFI_PEI_PROGRESS_CODE_PPI. it is the requirement of PI spec
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4925 6f19259b-4bc3-4df7-8a09-765794883524