loongson/mirror: links for pycopy-upip

loongson/mirror pycopy-upip-1.5.1.tar.gz
loongson/mirror pycopy-upip-1.5.tar.gz
loongson/mirror pycopy-upip-1.4.1.tar.gz
loongson/mirror pycopy-upip-1.4.tar.gz
loongson/mirror pycopy-upip-1.3.3.tar.gz