use snprintf() instead of sprintf() to avoid writes outside buffer limits

Develop integration 2020 week 37

The following Merge Requests have been included:

* MR [878] : CI framework update for 5G NSA FR1 setup
* MR [885] : PTRS-based UL phase compensation

Conflicts:
	openair1/PHY/INIT/nr_init.c
	openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
	openair1/SIMULATION/NR_PHY/ulsim.c

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

- Changed malloc to calloc to set all values to zero to remove the
  valgrind issue with uninitialized structure values in RC.gNB structure

Conflicts:
	openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
	openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
	openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
	openair1/SIMULATION/NR_PHY/dlsim.c
	openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c

- replacing ambiguous configuration of N_RB for extraction of DCI 1_0

- added some text descriptions
- replaced active BWP with initial BWP in Msg3 scheduling (8.3 TS 38.213)
- fixed logging
- disabled Msg3 repetitions after first transmission (disabled RA @ MAC)

- now is consistent for both UE and gNB

- added some descriptions to the code
- fixed hardcoded factors
- removed commented out and unused code
- phy_procedures_nrUE_RX: removed unused do_pdcch_flag
- updated LTE naming to 5G

- updated cmakelists file
- fixed formatting, tabs and white spaces in the function

- moved remaining PUSCH PDU configuration from ULSCH
  procedures entirely to MAC
- introduced a function for DMRS RE configuration
- cleaned up redundant code in ULSCH procedures
- fixed TBS computation for Msg3

Conflicts:
	openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
	openair1/PHY/NR_TRANSPORT/pucch_rx.c
	openair1/SIMULATION/NR_PHY/ulsim.c

Develop integration 2020 week 36

The following Merge Requests have been included:

* MR [877] : update conf2uedata
* MR [879] : Nr ul scheduling
* MR [880] : Cleanup usage of txdata array in NR UE threads
* MR [882] : Fixes for handling NR UE DCI decoding errors
* MR [884] : benetel: driver for Benetel's 4G and 5G RRUs
* MR [886] : NR UE fix get_Qm_dl and nr_get_code_rate_dl
* MR [887] : Usrp fix adc shift and pps sync