[bsc] Move the GSM 04.08 helper functions to gsm_04_08_utils.c

The existing gsm_04_08.c implementation is mixing BSC and MSC
behavior. Move some simple parsing and generation functions over
to gsm_04_08_utils.c to allow a different MSC to define the policy.
5 files changed
tree: 3a2c2fd3dbc862471423f5a1e2d51544e67199fe
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/