add P5 config request message for MIB config, system_frame_number, ssb_subcarrier_offset and half_frame_bit
add gitignore for ignoring log, bin, ran_build folders

  -- Added apt-get update before any apt-get command in shell script on VM
     Necessary if the cloud image is a bit out of sync
  -- Added VM memory parameter when creating VM
     Necessary for cppcheck build
  -- Aligned some scripts with develop branch

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

Merge branch 'nr-rrc-additions' of https://gitlab.eurecom.fr/oai/openairinterface5g into nr-rrc-additions

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

-Amend do_ServingCellConfigCommon function