This commit contains the changes to the OAI code in
the NR UE and in nFAPI.
- Filling crc_ind for msg3
- Updating pack/unpack of CRC_ind
- Creating phy abstraction CRC_ind handling in VNF
- Removal of old comments
- Only sending on RACH in phy_stub
- Calling nr_msg3_transmitted in scheduler for NSA mode