Fixed mme SCTP port.

MR932 : Nr sa ngap rrc wk42 
- Initial implementation of NGAP and RRC extensions for SA
 
MR956 : Correct use of ssb_position bitmaps  

MR958 : 5G NR Downlink DMRS Type 2
- Implementation of 5G NR Downlink DMRS type 2 (generation on gNB side, channel estimation with linear interpolation in frequency domain on UE side), needed for MIMO
  
MR961 : 5G NR UE TTI cleanup  
- Remove current_thread_id array, nr_tti_rx, nr_tti_tx, subframe_rx and subframe_tx

MR965 : fix a segdev

(cherry picked from commit f6b51079021347c19d528200f04d7cdba1dde0e5)

# Conflicts:
#	openair3/S1AP/s1ap_eNB.c

(cherry picked from commit 624fe21f52117959940066a6cfc5f8beac70e462)

# Conflicts:
#	openair2/LAYER2/MAC/eNB_scheduler_RA.c
#	openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
#	openair2/LAYER2/MAC/eNB_scheduler_fairRR.c
#	openair3/S1AP/s1ap_eNB.c

# Conflicts:
#	openair3/S1AP/s1ap_eNB.c

(cherry picked from commit 39850dcfadb37e24ccfe41e0a85a9f2136eeff4a)

(cherry picked from commit aaa4d390fdefc4e8071b80edc90a580907c9dec3)

(cherry picked from commit 519e6628d572c9b6cf8031632d4e22e2f8dc5b93)

(cherry picked from commit 2339972ceaeb75fe18c0b2ae9ea69216dd919668)

# Conflicts:
#	openair2/ENB_APP/enb_config.c
#	openair2/RRC/LTE/rrc_eNB_S1AP.c
#	openair3/S1AP/s1ap_common.h
#	openair3/S1AP/s1ap_eNB.c
#	openair3/S1AP/s1ap_eNB_handlers.c

# Conflicts:
#	openair2/ENB_APP/enb_config.c
#	openair2/ENB_APP/enb_paramdef.h
#	openair2/RRC/LTE/rrc_eNB_S1AP.c
#	openair2/X2AP/x2ap_eNB_handler.c
#	openair3/S1AP/s1ap_common.h
#	openair3/S1AP/s1ap_eNB.c
#	openair3/S1AP/s1ap_eNB_handlers.c

(cherry picked from commit 2d45f940be267e013781d6baba5b2ab665e64c88)

(cherry picked from commit aeeaf30a989c61a59e2d16d02629d145e4f5beda)

(cherry picked from commit b9e93a16379cf261502d9451b60bd787c07da64e)

Conflicts:
	openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
	openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
	openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

MR939 : Nr rlc am bugfix w44 
- bugfix

MR948 : nr: rlc: hotfix - forgot to store frame and subfram  
- minor bugfix

MR942 : Feature/make s1 mme port configurable 
- This patch adds an optional "port" option to set another sctp port than 36412 

MR959 : minor: remove a CPPCHECK error for NR RLC
- remove a CPPCHECK error (not a real error) for NR RLC

Merge remote-tracking branch 'origin/hotfix-minor-remove-nr-rlc-cppcheck-error' into integration_2020_wk47

Merge remote-tracking branch 'origin/feature/make-s1-mme-port-configurable' into integration_2020_wk47

MR890 : moving the OFDM phase rotation from RU to DU  
Moves the recently introduced phase rotations from RU to DU. 
This is important for setups that do not use the monolithic mode (like Benetel RRU).

MR944 : fix pdsch low prb 
Fix for DLSCH decoding for low TBS and for ULSCH. 
In the UE, DLSCH decoding stats are printed periodically for every 64 frames. 
DLSCH decoding is skipped if UE receives retransmission for successfully decoded CW.
 
MR946 : S1ap bugfix rab setup  
Fix a bug in S1AP

MR951 : CI NSA FR1 logging and reporting update  
Enhancement of gNB html + log report showing (RAPROC PUSCH check, dlsch and ulsch statistics)

M954 : Mac fixes wk45 2
Hotfix: preserves "low" delay (20-30ms) and correct HARQ retransmissions by disabling timing advance (TA)
Reduces log level, compiler warning, correct TA condition

This "error" is not a real error.
openair2/LAYER2/nr_rlc/tests/test.c includes testXX.h to define the array
int test[] and by design test[2] always exists.

Let's simply suppress the reporting of this error.

Merge branch 'NR_SA_NGAP_RRC_wk42' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_SA_NGAP_RRC_wk42