iio: vcnl4000: add VCNL4010 and VCNL4020 device id

The driver already supports VCNL4010/20 devices. The currently supported
features and detectable product id are the same, so add shared id for
them.

This is a groundwork to extend the driver by detecting incorrectly
specified device id.
Signed-off-by: Tomas Novotny <tomas@novotny.cz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/light/vcnl4000.c

@@ -48,6 +48,7 @@
 
 enum vcnl4000_device_ids {
 	VCNL4000,
+	VCNL4010,
 };
 
 struct vcnl4000_data {
@@ -68,6 +69,8 @@ struct vcnl4000_chip_spec {
 
 static const struct i2c_device_id vcnl4000_id[] = {
 	{ "vcnl4000", VCNL4000 },
+	{ "vcnl4010", VCNL4010 },
+	{ "vcnl4020", VCNL4010 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, vcnl4000_id);
@@ -157,6 +160,12 @@ static const struct vcnl4000_chip_spec vcnl4000_chip_spec_cfg[] = {
 		.measure_light = vcnl4000_measure_light,
 		.measure_proximity = vcnl4000_measure_proximity,
 	},
+	[VCNL4010] = {
+		.prod = "VCNL4010/4020",
+		.init = vcnl4000_init,
+		.measure_light = vcnl4000_measure_light,
+		.measure_proximity = vcnl4000_measure_proximity,
+	},
 };
 
 static const struct iio_chan_spec vcnl4000_channels[] = {