New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/33332#discussion_r727414996

Comment:
I don't know, no. Presumably because we didn't want to bump cross toolchains for new isl sonames? I think a cross toolchain update is a good moment to address this and move to a newer version. And possibly even remove isl15.