loongson/pypi: links for efccache

loongson/mirror efccache-0.0.4.tar.gz
loongson/mirror efcCache-0.0.4-py3-none-any.whl
loongson/mirror efccache-0.0.3.tar.gz
loongson/mirror efcCache-0.0.3-py3-none-any.whl
loongson/mirror efccache-0.0.2.tar.gz
loongson/mirror efcCache-0.0.2-py3-none-any.whl