arch-arm: Fix Sve Fcmla indexed instruction

Sve implementation of FCMLA indexed instruction was
incorrectly typed. This instruction is design to be used for
half-precision and single precision.

Change-Id: Ie529e21140ce5b26a8e72ac869a5422d32eba864
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/28227
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed