Merge remote-tracking branch 'origin/develop' into nr-fdd-scheduling

docker/Dockerfile.eNB.rhel8.2

docker/Dockerfile.eNB.ubuntu18

docker/Dockerfile.gNB.rhel8.2

docker/Dockerfile.gNB.ubuntu18

docker/Dockerfile.lteRU.rhel8.2

docker/Dockerfile.lteRU.ubuntu18

docker/Dockerfile.lteUE.rhel8.2

docker/Dockerfile.lteUE.ubuntu18

docker/Dockerfile.nrUE.rhel8.2

docker/Dockerfile.nrUE.ubuntu18

docker/Dockerfile.phySim.rhel8.2

docker/Dockerfile.ran.rhel8.2

docker/scripts/enb_entrypoint.sh

docker/scripts/gnb_entrypoint.sh

openair2/LAYER2/nr_rlc/nr_rlc_entity_am.c

openair2/LAYER2/nr_rlc/nr_rlc_entity_am.h

openair2/LAYER2/nr_rlc/tests/test14.txt.gz

openair2/LAYER2/nr_rlc/tests/test15.txt.gz

openair2/LAYER2/nr_rlc/tests/test8.txt.gz

openair2/LAYER2/nr_rlc/tests/test9.txt.gz