kernel-rt from home:alnovak:SLE15-SP5-RT:Test project

需要 pool ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:alnovak:SLE15-SP5-RT:Test/pool/home:alnovak:SLE15-SP5-RT:Test.repo
zypper refresh
zypper install kernel-rt