hotfix for missing boost_system library

cmake_targets/CMakeLists.txt

@@ -1631,10 +1631,9 @@ target_link_libraries (lte-softmodem -ldl
   RRC_LIB S1AP_LIB S1AP_ENB GTPV1U SECU_CN SECU_OSA UTIL HASHTABLE SCTP_CLIENT UDP SCHED_LIB PHY LFDS L2 ${MSC_LIB} ${RAL_LIB} ${NAS_UE_LIB} ${ITTI_LIB} ${MIH_LIB} 
   -Wl,--end-group )
 
-
 target_link_libraries (lte-softmodem ${LIBXML2_LIBRARIES})
 target_link_libraries (lte-softmodem pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} sctp ${option_HW_lib} ${option_TP_lib} ${XFORMS_LIBRARIES} ) 
-target_link_libraries (lte-softmodem ${LIBBOOST_LIBRARIES})
+target_link_libraries (lte-softmodem ${LIBBOOST_LIBRARIES} -lboost_system) #Added manually as it is not found for some reason for USRP
 target_link_libraries (lte-softmodem ${LIB_LMS_LIBRARIES})
 target_link_libraries (lte-softmodem ${T_LIB})
 
@@ -1670,7 +1669,7 @@ target_link_libraries (lte-softmodem-nos1
 
 target_link_libraries (lte-softmodem-nos1 ${LIBXML2_LIBRARIES})
 target_link_libraries (lte-softmodem-nos1 pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES}  ${option_HW_lib}  ${option_TP_lib} ${XFORMS_LIBRARIES} )
-target_link_libraries (lte-softmodem-nos1 ${LIBBOOST_LIBRARIES})
+target_link_libraries (lte-softmodem-nos1 ${LIBBOOST_LIBRARIES} -lboost_system) #Added manually as it is not found for some reason for USRP
 target_link_libraries (lte-softmodem-nos1  ${LIB_LMS_LIBRARIES})
 target_link_libraries (lte-softmodem-nos1 ${T_LIB})