[rsl] Move rf channel release scheduling to a new method

The current channel release has a couple of issues we will
need to fix in a set of upcoming commits.

The issues include:
    1.) sending release twice
    2.) reassigning the channel inbetween the relase..
1 file changed
tree: 2c4e15d8d9e9b6e7b29afd92ad6dd6da46288c72
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. rrlp-ephemeris/
  5. wireshark/