MR !1206 : nr_ue_remove_high_speed_flag
This flag is always set to 1, 
With multiple DMRS symbols configuration, very recent DMRS containing symbol shall be for channel estimation.

MR !1205 : fix-lte-ue-modem-in-docker-container
We bind the socket to any_addr (instead of localhost), so the commands to the UE can come also from a remote machine

MR !1178 : NR_CSIRS_tomerge
Implementation of CSI RS transmission at gNB

MR !1211 : develop-NSA_SA_fixes
Small fixes for NSA and SA

Merge remote-tracking branch 'origin/fix-lte-ue-modem-in-docker-container' into integration_2021_wk30

MR !1193 : Update for 5G SA implementation

[CI] for gNB Phy test : update of the execution timings ref values, according to the latest developments

# Conflicts:
#	openair1/PHY/INIT/nr_init_ru.c

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

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

MR !1197 : dongzhanyi-zte-develop1
function nr_generate_dci_top and nr_generate_dci has the frame_parms parameter, whose type is the structure NR_DL_FRAME_PARMS.
The better way is to pass the parameter as a pointer. 

MR !1176 : NR_phytest_bugfixes
This fixes a bug for configurations with less than 50 PRBs in phy-test mode.

MR !1142 : nr-dl-mimo-2layer

This reverts commit af0d7dab

- This flag is always set to 1, furthermore with multiple DMRS symbols
  configuration very recent DMRS containing symbol shall be for channel
  estimation.