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

需要 pool ，用 root 執行：

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