Input: synaptics - enable RMI mode for HP Spectre X360

commit 25f8c834e2 upstream.

The 2016 kabylake HP Spectre X360 (model number 13-w013dx) works much better
with psmouse.synaptics_intertouch=1 kernel parameter, so let's enable RMI4
mode automatically.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204115
Reported-by: Nate Graham <pointedstick@zoho.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/input/mouse/synaptics.c

@@ -185,6 +185,7 @@ static const char * const smbus_pnp_ids[] = {
 	"LEN2055", /* E580 */
 	"SYN3052", /* HP EliteBook 840 G4 */
 	"SYN3221", /* HP 15-ay000 */
+	"SYN323d", /* HP Spectre X360 13-w013dx */
 	NULL
 };