- the RU now supports IF equipment with custom FR1 TX/RX frequencies
- this configuration parameter together with the if_freq parameter allows
  to set a custom IF RX frequency for the gNB
- if the IF offset is not specified, legacy code applies

Integration 2020 wk42 (2)

MR921 : Hotfix for DL DCI issue in UE  
Fixing a bug from last MR.  
Fix in nr_dlsim that prevents reporting false 'PDSCH ok' message

MR915 : Fix to avoid RRC->X2AP ticking every msec when x2ap task is not enabled  
The aim of itti RRC_SUBFRAME_PROCESS message (MAC->RRC) is to trigger an itti X2AP_SUBFRAME_PROCESS message (RRC->X2AP)  
This change avoids creating RRC_SUBFRAME_PROCESS message if x2ap task is not enabled

Develop Integration Branch: 2020 wk42

The following Merge Requests were included:

* MR 913 : Flexran Base Station Apps  
* MR 875 : Nr mac ssb ro global edge  
* MR 897 : python framework cleanup (CI)  
* MR 924 : C-RNTI as TC-RNTI  
* MR 911 : Cce indexing fix  
* MR 922 : fixes mac sched nfapi

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>

 Conflicts:
	ci-scripts/reportTestLocally.sh

Kept new RA test disabled

Solved Conflicts in:
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
	openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h

develop integration branch : 2020 week 41

* MR909 small-bugfixes-wk40 (Cedric Roux)
* MR919 docker and openshift initial support

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

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

Merge branch 'NR_MAC_SSB_RO_GlobalEdge' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_MAC_SSB_RO_GlobalEdge

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

This reverts commit 1a5874d4.

this shouldn't affect the testing with cots ue

Various mutexes are present in the phy_stub_UE.c file. However, it will
only be run in a single thread; the multiple-thread implementation also
runs the higher layers concurrently, which leads to races and segfaults.
Therefore, remove these mutexes, as we don't need them.

also added a log message for DCI generation in MAC