1. Remove the architecture subdirectory (IPF architecture is not supported any more
2. Merge IA32 source with x64 source to ResetEntry.c in the upper level directory)
3. Remove the used DXS file
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7409 6f19259b-4bc3-4df7-8a09-765794883524
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