Update lms_lib.cpp to LimeSuite v19.04.0 API
Needed to change LimeSuite API call in lms_lib.cpp in order to build/run LMSSDR hardware option for current LimeSDR Firmware.
Needed to change LimeSuite API call in lms_lib.cpp in order to build/run LMSSDR hardware option for current LimeSDR Firmware.