kernel-64kb from home:frank_kunz:lora_kernel project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:frank_kunz:lora_kernel/openSUSE_Tumbleweed/home:frank_kunz:lora_kernel.repo
zypper refresh
zypper install kernel-64kb