[cmake] add site_name in build notes
[cmake] add site_name in build notes

bremond/siconos,siconos/siconos,radarsat1/siconos,siconos/siconos,fperignon/siconos,siconos/siconos,fperignon/siconos,bremond/siconos,siconos/siconos,fperignon/siconos,fperignon/siconos,bremond/siconos,radarsat1/siconos,radarsat1/siconos,fperignon/siconos,radarsat1/siconos,bremond/siconos,radarsat1/siconos,bremond/siconos