Show OML link uptime in vty

Save the time when OML link to BTS was established and show it in
vty. That's useful when troubleshooting issues like periodic/sporadic
BTS restart.

Related: SYS#3889
Change-Id: I9e4e8504afe8ca467b68d41826f61654e24d9600
4 files changed
tree: c31ce9a762cde7db0670f8784d9d57175f3df1e2
  1. contrib/
  2. debian/
  3. openbsc/
  4. .gitignore
  5. .gitreview
  6. .mailmap