Update documentation to be able to run OAI gNB with OAI UE and COTS UE with the same configuration file

There is still a leak that needs to be fixed in rrc_UE.c
Should properly free NR_BCCH_BCH_Message_t *bcch_message after asn decoder using ASN_STRUCT_FREE()

integration_2022_wk17

See merge request oai/openairinterface5g!1539

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

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

Conflicts:
	targets/ARCH/rfsimulator/simulator.c

Conflicts:
	openair2/LAYER2/nr_rlc/nr_rlc_entity_am.c

fix 2 bugs: one new introduced by merge develop, one introduced by extra change asked in code review

 - Better mechanism for qlog cleaning
 - Faster attachment check
 - html.py is confusing for some python3 installation -- renaming it
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>