ctrl/abis: When the max_power_reduction changes, send it to the BTS

In case the max_power_reduction changes, issue a new Set Radio
Carrier Attributes command. OML 12.21 allows to not include the
ARFCN list and the semantic I picked/understand is that a partial
update is possible.

Fixes: SYS#267
3 files changed
tree: caed535aa030905b75fa9f130d78cba968b55e31
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. README