[E1 INPUT] explicitly configure the E1 input driver for each line

This introduces a new 'e1_input' config node with a command to be
used like:
  e1_line 0 driver misdn

This allows us to have different input drivers in the future
9 files changed
tree: abea7922884d1b96b8e1e6d8df66e01e1ffe7d6b
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/