When running the softmodem, we get the error:

    fill_ulsch UE_id 0 nb_rb = 0

The code has changed some time ago and this log was left but is not
meaningful anymore.

Develop integration 2020 week 26

See merge request oai/openairinterface5g!841

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

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

Merge remote-tracking branch 'origin/NR_RRC_X2AP_RemoveHardcodings_GlobalEdge' into develop_integration_2020_w26

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>

Conflicts:
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c

Develop integration 2020 week 25

The following Merge Requests have been included:

* MR 799 : NR RRC PRACH procedures
* MR 831 : NR PUCCH2 polar implementation
* MR 832 : coarse scope cleanup
* MR 835 : fix NR UE transport on PBCH
* MR 836 : NR fix phytest packet corruption DLSCH

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

Merge remote-tracking branch 'origin/nr_fix_phytest_packet_corruption_dlsch' into develop_integration_2020_w25

- Payload was filled with zeros instead of random bytes