Add 1x4 GEMV dotprod microkernels
- Add unit tests for new microkernels Signed-off-by:Michael Kozlov <michael.kozlov@arm.com> Reviewed-by:
Anitha Raj <anitha.raj@arm.com> Reviewed-by:
Anton Bondarenko <anton.bondarenko@arm.com> Approved-by:
Jakub Sujak <jakub.sujak@arm.com>