build: install Python bindings into arch-specific directory
build: install Python bindings into arch-specific directory

Because we're shipping shared objects there.

Also, use sys.stdout.write() to not bother CMake for trailing newline.

Signed-off-by: Igor Gnatenko <b1e1b556340449c9045a39d8fd6283e01a8ec492@fedoraproject.org>

fifengine/fifengine,fifengine/fifengine,fifengine/fifengine