sgsn/gtp: Fill out the optional RAT type

Assume we are always a GERAN network right now.
1 file changed
tree: 9402fe78e75282c2b909a3eaeb469ab88949e2de
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. .gitignore
  7. README