[PATCH v3 1/3] aarch64: Fix comments for register constraints

[Wilco Dijkstra]

Hi Karl,

> (define_register_constraint "w" "FP_REGS"
>-  "Floating point and SIMD vector registers.")
>+  "SVE/NEON/FP registers, V0 - V31.")

This should use AdvSIMD rather than NEON.

Cheers,
Wilco