Changelog:
===========
- Fix failing distutils.msvc9compiler imports under Windows
- ffibuilder.emit_python_code() and ffibuiler.emit_c_code() accept file-like objects
- ffiplatform calls are bypassed by ffibuilder.emit_python_code() and ffibuilder.emit_c_code()
(From OE-Core rev: f3bbcfcb8f1db84a2d5e51172d776970222c5e88)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
