fix missing error msg when no suitable device is found
fix missing error msg when no suitable device is found

fedorcomander/stlink,fedorcomander/stlink,ros2/stlink,braincorp/stlink,gtalusan/stlink,ros2/stlink,simonjwright/stlink,12019/stlink,gtalusan/stlink,simonjwright/stlink,braincorp/stlink,chaosAD/stlink,12019/stlink,swegener/stlink,trigrass2/stlink,chaosAD/stlink,trigrass2/stlink,swegener/stlink