Input: pixcir_i2c_ts - simplify code with of_device_get_match_data

The usage of of_device_get_match_data reduce the code size a bit.
Furthermore, it is better to use a standard function for
getting the match data.
Signed-off-by: NLABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/pixcir_i2c_ts.c

@@ -431,13 +431,7 @@ static const struct of_device_id pixcir_of_match[];
 static int pixcir_parse_dt(struct device *dev,
 			   struct pixcir_i2c_ts_data *tsdata)
 {
-	const struct of_device_id *match;
-
-	match = of_match_device(of_match_ptr(pixcir_of_match), dev);
-	if (!match)
-		return -EINVAL;
-
-	tsdata->chip = (const struct pixcir_i2c_chip_data *)match->data;
+	tsdata->chip = of_device_get_match_data(dev);
 	if (!tsdata->chip)
 		return -EINVAL;