1, Use PrintLib in Duet loader

1, Use PrintLib in Duet loader
2, Fix missing compress image in final disk image. I think the raw disk image had better be organized as our FD image format. I will discuss this after enabling DUET for R9.
3, Add more debug output in loader.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5128 6f19259b-4bc3-4df7-8a09-765794883524