loongson/pypi: links for pyffi

loongson/mirror PyFFI-2.2.4.dev4.tar.gz
loongson/mirror PyFFI-2.2.4.dev4-py3-none-any.whl
loongson/mirror PyFFI-2.2.4.dev3.tar.gz
loongson/mirror PyFFI-2.2.4.dev3-py3-none-any.whl
loongson/mirror PyFFI-2.2.4.dev2.tar.gz
loongson/mirror PyFFI-2.2.4.dev2-py3-none-any.whl
loongson/mirror PyFFI-2.2.3.tar.gz
loongson/mirror PyFFI-2.2.3-py3-none-any.whl
loongson/mirror PyFFI-2.2.2.zip