iio: accel: add support for LIS302DL variant

Add support for STMicroelectronics LIS302DL accelerometer to the st_accel
framework.

Datasheet: https://www.st.com/resource/en/datasheet/lis302dl.pdf

Reviewed-by: Linus Walleij <[e-mail]>
Signed-off-by: Sicelo A. Mhlongo <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/accel/st_accel.h

···
 #define LIS3DE_ACCEL_DEV_NAME		"lis3de"
 #define LIS2DE12_ACCEL_DEV_NAME		"lis2de12"
 #define LIS2HH12_ACCEL_DEV_NAME		"lis2hh12"
+#define LIS302DL_ACCEL_DEV_NAME		"lis302dl"
 #define SC7A20_ACCEL_DEV_NAME		"sc7a20"
+
 
 #ifdef CONFIG_IIO_BUFFER
 int st_accel_allocate_ring(struct iio_dev *indio_dev);

drivers/iio/accel/st_accel_core.c

···
 		.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
 		.sensors_supported = {
 			[0] = LIS331DL_ACCEL_DEV_NAME,
+			[1] = LIS302DL_ACCEL_DEV_NAME,
 		},
 		.ch = (struct iio_chan_spec *)st_accel_8bit_channels,
 		.odr = {

drivers/iio/accel/st_accel_i2c.c

···
 		.data = LIS2HH12_ACCEL_DEV_NAME,
 	},
 	{
+		.compatible = "st,lis302dl",
+		.data = LIS302DL_ACCEL_DEV_NAME,
+	},
+	{
 		.compatible = "silan,sc7a20",
 		.data = SC7A20_ACCEL_DEV_NAME,
 	},
···
 	{ LIS3DE_ACCEL_DEV_NAME },
 	{ LIS2DE12_ACCEL_DEV_NAME },
 	{ LIS2HH12_ACCEL_DEV_NAME },
+	{ LIS302DL_ACCEL_DEV_NAME },
 	{ SC7A20_ACCEL_DEV_NAME },
 	{},
 };

drivers/iio/accel/st_accel_spi.c

···
 		.compatible = "st,lis3de",
 		.data = LIS3DE_ACCEL_DEV_NAME,
 	},
+	{
+		.compatible = "st,lis302dl",
+		.data = LIS302DL_ACCEL_DEV_NAME,
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, st_accel_of_match);
···
 	{ LIS2DW12_ACCEL_DEV_NAME },
 	{ LIS3DHH_ACCEL_DEV_NAME },
 	{ LIS3DE_ACCEL_DEV_NAME },
+	{ LIS302DL_ACCEL_DEV_NAME },
 	{},
 };
 MODULE_DEVICE_TABLE(spi, st_accel_id_table);