kernel-default from home:tiwai:kernel:sle15-sp7-kasan project

对于 pool，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:tiwai:kernel:sle15-sp7-kasan/pool/home:tiwai:kernel:sle15-sp7-kasan.repo
zypper refresh
zypper install kernel-default