[abis] Properly compare obj_inst->trx_nr to bts->num_trx

* Use >= in this case as we start counting the trx from 0
* This is fixing a problem with multi trx config
1 file changed
tree: 528d72e74a8ad2ec783321351efbea0e83f5e0d5
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/