* mobile: gsm48_rr_set_mode(): fix copy-paste in comment
* mobile: gsm48_rr_set_mode(): print name of channel mode
* mobile: allow enabling/disabling handling of voice in the L1PHY
* mobile: add MNCC handler selection to settings
* mobile: timeout_rr_meas(): also print sub-slot for TCH/H
* layer23: always check return value of rsl_tlv_parse()
* layer23: always check return value of rsl_dec_chan_nr()
* trx_toolkit/data_msg.py: legacy flag is only for version 0x00
* trx_toolkit/data_msg.py: introduce header coding version 0x01
* trx_toolkit/data_msg.py: implement header version coding