[Bug target/94236] -mcmodel=large does not work on aarch64

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94236

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note for Threos OS, please don't reuse the same target triplet as elf or linux;
use your own triplet.  Also adding long calls is not hard and such.