commit 6d16941a upstream.

There is another Thinkpad T440 with SSID 17aa:2212 that has a dock
port.
Reported-by: Siwei Luo <sluo@smartbeans.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>