redpine: mainline driver doesn't work with bluetoothctl
using the mainline driver with the flash based 1.2.20 firmware or the Redpine 1.5 "rs9116_wlan_bt_classic.rps" firmware doesn't work with bluetoothctl.
hcitool can find and scan with the device.
$ hcitool dev
Devices:
hci0 88:DA:1A:9E:XX:XX
[bluetooth]# list
[bluetooth]# devices
No default controller available