[bsc] Store the cell_identity in gsm_bts and set it on the SI3 and SI6

Transfering the cell_identity from BSC to MSC is required for the
on-waves.com support. Allow to set the cell_identity in the cfg
file and patch the system information tables to set it.
7 files changed
tree: c667aae42aaad34ae75e5109f98cdfdcc4deed35
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/