MR !1193 : Update for 5G SA implementation

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

more fixes on gcc warnings, misleading indentation and CPU mitigation when the traffic demand in 5G exeeds the available througput

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

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

-fixes UL iperf log collection/analysis for UE module
-fixes iperf processes mgt for UE module

Merge remote-tracking branch 'origin/develop-NR_SA_F1AP_5GRECORDS-abs' into develop-NR_SA_F1AP_5GRECORDS-abs

This reverts commit a8a51460

But that part should be moved to the MAC anyways

I have to revert this to be consistent with the OAI gNB.
But I think it is wrong to take the BWPSize from scc or scc_SIB, and the BWPStart from DLbwp[0].