loongson/pypi: links for pyfasim

loongson/mirror pyfasim-0.26.tar.gz
loongson/mirror pyfasim-0.22.tar.gz
loongson/mirror pyfasim-0.21.tar.gz
loongson/mirror pyfasim-0.18.tar.gz
loongson/mirror pyfasim-0.17.tar.gz
loongson/mirror pyfasim-0.16.tar.gz