[Background]
The UnixPkg provide an simulator in *unix. To support source level debug, we need force all modules be built as ELF shard objects and dynamically load all of modules using dlopen(). For peicore, peim and dxecore, we provide a wrapper to provide PeCoffLoader interface
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5382 6f19259b-4bc3-4df7-8a09-765794883524
1. change *.msa to *.inf, and create platform configuration files .dec&.dsc&.fdf to comply with Edk2 build process
2. using PCD mechanism to replace macro.
3. change Sec code to cowork with PI1.0 Pei Core and produce temparory memory ppi.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5380 6f19259b-4bc3-4df7-8a09-765794883524
