loongson/pypi: links for torchrec-cpu

loongson/mirror torchrec_cpu-0.1.0-py39-none-any.whl
loongson/mirror torchrec_cpu-0.1.0-py38-none-any.whl
loongson/mirror torchrec_cpu-0.1.0-py37-none-any.whl