Update notes for submitted changes
* doc: add codec_resolution.msc
* drop gsm_pchan_ids, use sanitized FSM ids instead
* tweak gsm_pchan_ids[]: DYNAMIC/{OSMOCOM,IPACCESS}
* bsc_test.c: test FSM IDs that contain pchan names
* stat: change pchan naming to dynamic/{osmocom,ipaccess}
* VTY,CTRL: add pchan dynamic/{osmocom,ipaccess}
* ensure correct phys_chan_config doc string count on VTY
* vty: msc / codec-list: forbid invalid codec versions
* vty: msc / codec-list: forbid duplicate entries
* simplify storage of bsc_msc_data->audio_support