loongson/pypi: links for spi-pack

loongson/mirror spi_pack-0.3.4.tar.gz
loongson/mirror spi_pack-0.3.4-py3.7.egg
loongson/mirror spi_pack-0.3.4-py3-none-any.whl
loongson/mirror spi_pack-0.3.3.tar.gz
loongson/mirror spi_pack-0.3.3-py3.7.egg
loongson/mirror spi_pack-0.3.3-py3-none-any.whl