Add new speach-API support (version 5.1, 5.3, and 5.4)


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6524 4407c894-4637-0410-b4f5-ada5f102cad1
intrin.h: Fixed mm3dnow.h conflict with recent GCC trunk.

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6525 4407c894-4637-0410-b4f5-ada5f102cad1