Input: synaptics - enable InterTouch on Dell Precision M3800

Enable InterTouch mode on Dell Precision M3800 by adding "DLL060d" to
the list of SMBus-enabled variants.

Reported-by: Markus Rathgeb <maggu2810@gmail.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB959789DD6D574E16141E5DC4B888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM


Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>