1. Added guard for exceeding DRB creation in ASN1 & RRC
2. Created function for finding the next available drb

Note: tested with 2 UEs in RFSIM mode

Multiple DRBs - Fix MR Conflicts: 1. RLC - Removed mispositioned conditional. 2. RRC - Replaced arguements in generateDRB func & use bool. 3. RRC - Removed the MAX_DRB_PDUSESSION definition. 4. SDAP - Replaced boolean_t with bool. 5. RRC - Fixed indentation in SDAP Configuration. 6. RRC - Changed var nb_drb_to_setup to 1.

integration_2022_wk39

See merge request oai/openairinterface5g!1730

MR !1653 NR removing semi_static structures
MR !1690 Fix PDCCH when BWPStart is higher than 0
MR !1706 AMF and NGU mode config cleanup
MR !1721 Moving targets/ARCH to sdr/
MR !1724 Updated README for l2-sim, rf-sim
MR !1725 min_rxtxtime=6 added to docs when building the RFSimulator UE
MR !1729 fix(doc): healthchecks are now embedded in CN5G images

Merge remote-tracking branch 'origin/Fix_PDCCH_when_BWPStart_higher_than_0' into integration_2022_wk39

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

integration_2022_wk38

See merge request oai/openairinterface5g!1722

MR !1491 E1ap implementation skeletons
MR !1650 added multiple thread support for ECPRI/IF5 interface.and changed old pthread_cond_XXX mechanisms for RU to use thread-pool. New paramters in RU section to control thread CPU pinning and threadpool size.
MR !1675 NR_UE fixes for odd number of PRBs
MR !1694 Fix ulprbbl based on SRS
MR !1697 chore(ci): putting the Legacy LTE CI bench in order
MR !1703 SSB subcarrier offset from command line at UE
MR !1709 fix encoding error in mbms by regrouping the missing barrier at a single level
MR !1711 Increase log buffer: handle large log messages
MR !1715 Correct set gNB_ID, gNB_CU_ID does not exist