Input: atmel_mxt_ts - add T100 as a readable object

When using the 'object' sysfs attribute, T100 is not displayed in
the output.
Signed-off-by: NMaxime Roussin-Bélanger <maxime.roussinbelanger@gmail.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/atmel_mxt_ts.c

@@ -350,6 +350,7 @@ static bool mxt_object_readable(unsigned int type)
 	case MXT_TOUCH_KEYARRAY_T15:
 	case MXT_TOUCH_PROXIMITY_T23:
 	case MXT_TOUCH_PROXKEY_T52:
+	case MXT_TOUCH_MULTITOUCHSCREEN_T100:
 	case MXT_PROCI_GRIPFACE_T20:
 	case MXT_PROCG_NOISE_T22:
 	case MXT_PROCI_ONETOUCH_T24: