loongson/pypi: links for dampch

loongson/mirror DamPch-0.0.6.tar.gz
loongson/mirror DamPch-0.0.5.tar.gz
loongson/mirror DamPch-0.0.4.tar.gz
loongson/mirror DamPCH-0.0.3.tar.gz
loongson/mirror DamPch-0.0.1.tar.gz