[vty] Move "show lchan" into a parameterized method

I want to have a shorter lchan summary but with the same
config parameters. Change the current code to be a method
that takes a dump routine as parameter.
1 file changed
tree: bf56816d185124b3799edc187880563a73ac3315
  1. hlrsync/
  2. libosmocore/
  3. linux-kernel/
  4. openbsc/
  5. rrlp-ephemeris/
  6. wireshark/