Introduce BS and MS power control related functions

* add bts->band field plus corresponding VTY and commandline argument
* add trx->nominal_power and trx->max_power_red fields
* add rsl_chan_bs_power_ctrl() to control TRX RF power for a given TS
* add rsl_chan_ms_power_ctrl() to control MS RF power for a given lchan.
6 files changed
tree: 167ee3f12bb2c1a2c9a4120a7b9bf7c25e503aa8
  1. linux-kernel/
  2. openbsc/
  3. wireshark/