Input: egalax_ts - do not hardcode interrupt trigger

Stop hard-coding interrupt trigger, instead rely on the platform code
to do the right thing, according to DT or ACPI data.

Link: https://lore.kernel.org/r/20220920042608.1865560-4-dmitry.torokhov@gmail.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/egalax_ts.c

@@ -203,10 +203,9 @@ static int egalax_ts_probe(struct i2c_client *client,
 			     ABS_MT_POSITION_Y, 0, EGALAX_MAX_Y, 0, 0);
 	input_mt_init_slots(input_dev, MAX_SUPPORT_POINTS, 0);
 
-	error = devm_request_threaded_irq(&client->dev, client->irq, NULL,
-					  egalax_ts_interrupt,
-					  IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-					  "egalax_ts", ts);
+	error = devm_request_threaded_irq(&client->dev, client->irq,
+					  NULL, egalax_ts_interrupt,
+					  IRQF_ONESHOT, "egalax_ts", ts);
 	if (error < 0) {
 		dev_err(&client->dev, "Failed to register interrupt\n");
 		return error;