Merge remote-tracking branch 'origin/develop' into scs_60_iisc

ci-scripts/cls_containerize.py

ci-scripts/cls_oaicitest.py

ci-scripts/xml_files/container_4g_rfsim.xml

ci-scripts/xml_files/container_4g_rfsim_down.xml

ci-scripts/xml_files/container_5g_rfsim.xml

ci-scripts/yaml_files/5g_rfsimulator/README.md

common/utils/T/T_messages.txt

common/utils/nr/nr_common.c

common/utils/nr/nr_common.h

common/utils/system.c

docker/Dockerfile.lteUE.rhel8.2

docker/Dockerfile.lteUE.ubuntu18

docker/Dockerfile.nrUE.rhel8.2

docker/scripts/enb_entrypoint.sh

docker/scripts/enb_parameters.yaml

docker/scripts/gnb_entrypoint.sh

docker/scripts/gnb_parameters.yaml

executables/nr-softmodem-common.h

executables/nr-softmodem.c

executables/nr-ue.c