add Smartisan T1 (http://t.tt)

Smartisan T1 is an new android phone, its ID is 29a9:701a.

    lsusb

    Bus 002 Device 002: ID 8087:8000 Intel Corp. 
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 049: ID 29a9:701a