remove usage of /dev/random in case openshit has a problem with this

integration_2022_wk44

See merge request oai/openairinterface5g!1800

!1745 Configurable re-transmission rounds in dlsim and ulsim
!1699 NR RRC pdsch_Config harmonization
!1787 Bugfix in Delta_TF calculation for PHR
!1790 remove unused NR RRC code
!1774 Fix BWP switching to the previous active BWP when there is a RA with Msg3 through DCCH or DTCH
!1772 Add RRC measurement configuration and handling
!1731 replacing call to RRC processing timers for msg3 dcch
!1764 NR_UE: improve timing and initial frequency synchronization
!1777 NR UE move DLSCH PHY memory to stack
!1791 missed to test return code of bind()

Modern hardware have large RAM and don't need mlock.

Merge remote-tracking branch 'origin/removing_calltotimers_for_msg3_dcch_dtch' into integration_2022_wk44

NR_UE: slightly improve timing synchronization by minimizing the adjustment of the filtered peak position value