Merge from MdePkg/Include/Ia32/ProcessorBind.h. Do not include
stdint.h. Instead define the basic types ourselves.
This fixes a build issue with GCC on X64 Linux.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10584 6f19259b-4bc3-4df7-8a09-765794883524