kernel-docs from Kernel:stable project

对于 standard，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Kernel:stable/standard/Kernel:stable.repo
zypper refresh
zypper install kernel-docs

对于 S390，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Kernel:stable/S390/Kernel:stable.repo
zypper refresh
zypper install kernel-docs

对于 RISCV，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Kernel:stable/RISCV/Kernel:stable.repo
zypper refresh
zypper install kernel-docs

对于 PPC，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Kernel:stable/PPC/Kernel:stable.repo
zypper refresh
zypper install kernel-docs

对于 LEGACYX86，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Kernel:stable/LEGACYX86/Kernel:stable.repo
zypper refresh
zypper install kernel-docs

对于 ARM，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/Kernel:stable/ARM/Kernel:stable.repo
zypper refresh
zypper install kernel-docs