2. BaseMemoryLibMmx for X64: Make CopyMem() be reentrant by saving Mm0 to r10.
3. DxeCorePerformanceLib: Fix some typo to save build error of that library instance.
4. Remove the orphanage definition of gEfiPerformanceProtocolGuid
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@859 6f19259b-4bc3-4df7-8a09-765794883524