COMPMID-1766: Implemented CPP Non Max Suppression

Change-Id: I1dcd5fb3d9ad6c6c750415bf8074698b800dfbc1
Reviewed-on: https://review.mlplatform.org/494
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giuseppe Rossini <giuseppe.rossini@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
8 files changed