core_arch: generated sve intrinsics

Following from previous commit, this commit only contains generated code
from the SVE intrinsic specifications

Co-authored-by: Jamie Cunliffe <Jamie.Cunliffe@arm.com>
Co-authored-by: Luca Vizzarro <Luca.Vizzarro@arm.com>
Co-authored-by: Adam Gemmell <adam.gemmell@arm.com>
Co-authored-by: Jacob Bramley <jacob.bramley@arm.com>

Author: 5 people