monitor: Add description for filter in scan parameters

< HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7
        Type: Active (0x01)
        Interval: 30.000 msec (0x0030)
        Window: 30.000 msec (0x0030)
        Own address type: Public (0x00)
        Filter policy: Accept all advertisement, inc. directed unresolved RPA (0x02)
1 file changed