Build SPECCPU 2017 Tools for LoongArch64
Tested on LoongArch Archlinux (2023-10-09).
Fix config.guess
wget -O config.guess 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD'
wget -O config.sub 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD'
cp config.* ./make-4.2.1/config/