rtc: pcf85063: remove bogus i2c functionality check

Only smbus reads and write are done in the driver, plain i2c functionality
is not required.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-pcf85063.c

@@ -209,9 +209,6 @@ static int pcf85063_probe(struct i2c_client *client)
 
 	dev_dbg(&client->dev, "%s\n", __func__);
 
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
-		return -ENODEV;
-
 	err = i2c_smbus_read_byte_data(client, PCF85063_REG_CTRL1);
 	if (err < 0) {
 		dev_err(&client->dev, "RTC chip is not present\n");