[Bug target/123206] aarch64: Wrong gating of fp8 intrinsics in aarch64-simd-pragma-builtins.def

[acoplan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123206

--- Comment #6 from Alex Coplan <acoplan at gcc dot gnu.org> ---
Fixed on trunk, keeping open to track backports and for landing the 2/2 patch
to provide further hardening on trunk.