[clang] [X86] Fix Wrong type in builtin prototype (PR #182242)

[via cfe-commits]

mahesh-attarde wrote:

> I briefly searched there are more `*>` entries e.g.
> 
> ```
>   def maskloadpd256 : X86Builtin<"_Vector<4, double>(_Vector<4, double const *>, _Vector<4, long long int>)">;
>   def maskloadps256 : X86Builtin<"_Vector<8, float>(_Vector<8, float const *>, _Vector<8, int>)">;
> ```

This are not limited to X86, there are more.

https://github.com/llvm/llvm-project/pull/182242