[misc] Add the benchmarks to the main makefile.
[misc] Add the benchmarks to the main makefile.

victorisildur/Graphite,nkawahara/Graphite,mit-carbon/Graphite,mit-carbon/Graphite,8l/Graphite,8l/Graphite,nkawahara/Graphite,mit-carbon/Graphite-Cycle-Level,fhijaz/Graphite,mit-carbon/Graphite,fhijaz/Graphite,8l/Graphite,mit-carbon/Graphite-Cycle-Level,mit-carbon/Graphite-Cycle-Level,fhijaz/Graphite,fhijaz/Graphite,nkawahara/Graphite,nkawahara/Graphite,victorisildur/Graphite,mit-carbon/Graphite-Cycle-Level,victorisildur/Graphite,victorisildur/Graphite,8l/Graphite,mit-carbon/Graphite