loongson/pypi: links for imx-nand-tools

loongson/mirror imx-nand-tools-1.0.3.tar.gz
loongson/mirror imx-nand-tools-1.0.2.tar.gz
loongson/mirror imx-nand-tools-1.0.1.tar.gz
loongson/mirror imx-nand-tools-1.0.0.tar.gz