loongson/mirror: links for c2c-recipe-pkgversions

loongson/mirror c2c.recipe.pkgversions-0.3dev1.tar.gz
loongson/mirror c2c.recipe.pkgversions-0.2.tar.gz
loongson/mirror c2c.recipe.pkgversions-0.2dev2.tar.gz
loongson/mirror c2c.recipe.pkgversions-0.2dev1.tar.gz
loongson/mirror c2c.recipe.pkgversions-0.1.tar.gz