loongson/pypi: links for scikits-bvp1lg

loongson/mirror scikits.bvp1lg-0.2.9.tar.gz
loongson/mirror scikits.bvp1lg-0.2.8.tar.gz
loongson/mirror scikits.bvp1lg-0.2.7.tar.gz
loongson/mirror scikits.bvp1lg-0.2.5.tar.gz