cross-ppc64le-gcc15-bootstrap from home:adrianSuSE:16.0 project

需要 16.0 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:adrianSuSE:16.0/16.0/home:adrianSuSE:16.0.repo
zypper refresh
zypper install cross-ppc64le-gcc15-bootstrap