loongson/pypi: links for sysfstree

loongson/mirror sysfstree-0.1.11.tar.gz
loongson/mirror sysfstree-0.1.9.tar.gz
loongson/mirror sysfstree-0.1.7.tar.gz
loongson/mirror sysfstree-0.1.7-py3.7.egg
loongson/mirror sysfstree-0.1.5.tar.gz
loongson/mirror sysfstree-0.1.4.tar.gz
loongson/mirror sysfstree-0.1.3.tar.gz
loongson/mirror sysfstree-0.1.2.tar.gz
loongson/mirror sysfstree-0.1.2-py3.7.egg
loongson/mirror sysfstree-0.1.1.tar.gz