microcode_ctl from home:alsoft:non-free project

对于 Mageia Cauldron，请以根用户 root 运行下面命令：

dnf config-manager --add-repo https://download.opensuse.org/repositories/home:alsoft:non-free/Mageia_Cauldron/home:alsoft:non-free.repo
dnf install microcode_ctl