SNDCP: add RFC1144 header compression functionality

- Add module to handle compression entities
- Add module to control header compression
- Introduce VTY commands for heade compression configuration
- Add changes in sndcp and llc to integrate header compression

Change-Id: Ia00260dc09978844c2865957b4d43000b78b5e43
14 files changed
tree: 8862f4b69433e2006b96484d1ded322b84d283f1
  1. contrib/
  2. debian/
  3. openbsc/
  4. .gitignore
  5. .gitreview
  6. .mailmap