fix most of doxygen warnings and errors

cmake_targets/build_oai

common/config/config_cmdline.c

common/utils/LOG/log.h

common/utils/lte/prach_utils.h

common/utils/telnetsrv/telnetsrv_5Gue_measurements.c

common/utils/telnetsrv/telnetsrv_enb_phycmd.c

common/utils/telnetsrv/telnetsrv_loader.h

common/utils/telnetsrv/telnetsrv_phycmd.h

doc/Doxyfile

executables/nr-gnb.c

executables/rt_profiling.h

executables/softmodem-common.c

executables/softmodem-common.h

openair1/PHY/CODING/ccoding_byte.c

openair1/PHY/CODING/ccoding_byte_lte.c

openair1/PHY/CODING/coding_defs.h

openair1/PHY/CODING/coding_load.c

openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder_optim.c

openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder_optim8seg.c

...1/PHY/CODING/nrLDPC_encoder/ldpc_encoder_optim8segmulti.c