Fix typo in Linux Sample DUT code. SIG-2151
Fix typo in Linux Sample DUT code.
SIG-2151

Wi-FiTestSuite/Wi-FiTestSuite-Linux-DUT,WFA-HarshMadhiwalla/Wi-FiTestSuite-Linux-DUT,WFA-DakeZhao/Wi-FiTestSuite-Linux-DUT,WFA-AlanTsai/Wi-FiTestSuite-Linux-DUT,WFA-AlanTsai/Wi-FiTestSuite-Linux-DUT,WFA-DakeZhao/Wi-FiTestSuite-Linux-DUT,WFA-HarshMadhiwalla/Wi-FiTestSuite-Linux-DUT,Wi-FiTestSuite/Wi-FiTestSuite-Linux-DUT,WFA-AlanTsai/Wi-FiTestSuite-Linux-DUT,WFA-DakeZhao/Wi-FiTestSuite-Linux-DUT