the file boot-mdm9607.img is wrongly given as mdm9607.img in FLASHING.md;
telling the user about AT+ADBON in FLASHING.md may save some time searching;
'mmcli' is in userspace in current Mobian, and more importantly, debug mode for ModemManager needs to be used - a brief comment on this is added to AT_INTERFACE.md .
This commit proposes several documentation fixes:
the file boot-mdm9607.img is wrongly given as mdm9607.img in FLASHING.md;
telling the user about AT+ADBON in FLASHING.md may save some time searching;
'mmcli' is in userspace in current Mobian, and more importantly, debug mode for ModemManager needs to be used - a brief comment on this is added to AT_INTERFACE.md .