[Bug libgcc/93053] libgcc build failure with old binutils on aarch64

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93053

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I think https://gcc.gnu.org/install/specific.html#aarch64-x-x should be updated
rather than anything else.