loongson/pypi: links for py-elf-structs

loongson/mirror py_elf_structs-1.4.2.tar.gz
loongson/mirror py_elf_structs-1.4.1.tar.gz
loongson/mirror py_elf_structs-1.4.tar.gz
loongson/mirror py_elf_structs-1.3.tar.gz
loongson/mirror py_elf_structs-1.2.tar.gz
loongson/mirror py_elf_structs-1.1.tar.gz