Test x310

See merge request oai/openairinterface5g!585

CI: adding support for the N300 gNB + NR-UE testing

See merge request oai/openairinterface5g!586

removing old mimo mode

See merge request oai/openairinterface5g!587

Signed-off-by: Boris Djalal <boris.djalal@eurecom.fr>

Signed-off-by: Boris Djalal <boris.djalal@eurecom.fr>

  -- pipeline is polling the develop-nr branch
  -- new conf file / new scenario files
  -- main python now supports LTE and 5G-NR executables in a Ubuntu/CentOS env

Integration 2019 w18

See merge request oai/openairinterface5g!582

Merge remote-tracking branch 'origin/Develop-nr-threequarter_fs-80mhz-x310' into integration_2019_w18

The following Merge Requests are included:

* MR 557 : Implement CDRX in FDD mode
* MR 571 : Improvement on documentation
* MR 572 : Fix CU/DU protocol split
* MR 574 : Fix a flexran free issue
* MR 578 : CI -- Improve OAI UE testing with USRP

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>