MLBEDSW-6271: MLCE: Layer wise Utilization info from Vela

 - Added support to print per operator sram usage and performance
information
 - Added new CLI option --verbose-performance to control this feature

Signed-off-by: Tim Hall <tim.hall@arm.com>
Change-Id: I368599b410e5d441d9804871fc51b7a1049d85b3