update config.guess config.sub (#478) - curl -sL -o config.guess 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD' - curl -sL -o config.sub 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD' Signed-off-by: Wenlong Zhang <zhangwenlong@loongson.cn>