This reverts commit ce14050b, reversing
changes made to 0ada1e9e.

 Conflicts:
	openair1/PHY/LTE_TRANSPORT/prach.c
	targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c

 Conflicts:
	openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue.c

 Conflicts:
	openair1/PHY/MODULATION/ofdm_mod.c

 Conflicts:
	openair2/RRC/LITE/rrc_UE.c

Merge branch 'develop' of https://gitlab.eurecom.fr/oai/openairinterface5g into various-l2-fixes-187

Develop integration w05

See merge request !102

Fixed bug related to the reporting of timing advance to the controller that severely dropped the performance of the remote scheduler

we want those traces in the logs people send to us and
the group HEAVY is disabled in the wiki instructions.

looks better

The abstraction mode of oaisim does not work for the moment, it's better
to exit than to crash somewhere randomly.