Determine whether the CPU has LSX (LOONGARCH SIMD) features.
Defined in <SDL3/SDL_cpuinfo.h>
bool SDL_HasLSX(void);
(bool) Returns true if the CPU has LOONGARCH LSX features or false if not.
This always returns false on CPUs that aren't using LOONGARCH instruction sets.
It is safe to call this function from any thread.
This function is available since SDL 3.1.3.