gsup/oap: add OAP to GSUP client.

Trigger an OAP registration upon IPA connect. Feed incoming OAP messages to
oap_handle() and send replies returned by it.

Add oap_config to sgsn_config (todo: vty).

Sponsored-by: On-Waves ehf

[hfreyther: Fix coding style]
5 files changed
tree: 6ae04e4e4c827f201c04a14c8b9eb6b1c01eaeb2
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. .gitignore