[Bug target/103656] make install-strip -j cannot find x86_64-w64-mingw32-strip for canadian compilation

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103656

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Also I doubt anyone tests -j on make install or make install-strip