Duet X64 still use IA32 tool chain to generate bootsector. So update postbuild.bat to correct the binary path.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7742 6f19259b-4bc3-4df7-8a09-765794883524
2 files changed