client: Print AD Data and Discoverable once registered

This prints both Data and Discoverable if advertise command succeeds:

[bluetooth]# advertise.data 0x26 0x01 0x00
[bluetooth]# advertise.discoverable on
[bluetooth]# advertise on
Advertising object registered
Data Type: 0x26
  01 00                                            ..
Tx Power: off
Name: off
Apperance: off
Discoverable: on
1 file changed