RFC1144: add slhc code from linux kernel

SLHC is an Implementation of RFC1144 TCP/IP header compression. We will need
RFC1144 compression to compress GPRS TCP/IP traffic. The implementation pushed
with this commit was taken from:

git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
commit 29b4817d4018df78086157ea3a55c1d9424a7cfc

Change-Id: Ied69c143678dc4a64cecc671f5c4dfebe19d8519
2 files changed
tree: 3fe2371090592c2639c4780c61e045acc1a9ae50
  1. contrib/
  2. debian/
  3. openbsc/
  4. .gitignore
  5. .gitreview
  6. .mailmap