Input: synaptics - enable SMBus on ThinkPad L470

commit b8a3d819

 upstream.

Add touchpad LEN2044 to the list, as it is capable of working with
psmouse.synaptics_intertouch=1

Signed-off-by: Gaurav Agrawal <agrawalgaurav@gnome.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/CADdtggVzVJq5gGNmFhKSz2MBwjTpdN5YVOdr4D3Hkkv=KZRc9g@mail.gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>