iio: light: cm32181: Fix formatting and docrot issues in cm32181_acpi_get_cpm()

Fixes the following W=1 kernel build warning(s):

 drivers/iio/light/cm32181.c:107: warning: Function parameter or member 'dev' not described in 'cm32181_acpi_get_cpm'
 drivers/iio/light/cm32181.c:107: warning: Function parameter or member 'obj_name' not described in 'cm32181_acpi_get_cpm'
 drivers/iio/light/cm32181.c:107: warning: Function parameter or member 'values' not described in 'cm32181_acpi_get_cpm'
 drivers/iio/light/cm32181.c:107: warning: Function parameter or member 'count' not described in 'cm32181_acpi_get_cpm'

Cc: Kevin Tsai <ktsai@capellamicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/light/cm32181.c

@@ -93,10 +93,10 @@ static int cm32181_read_als_it(struct cm32181_chip *cm32181, int *val2);
 #ifdef CONFIG_ACPI
 /**
  * cm32181_acpi_get_cpm() - Get CPM object from ACPI
- * @client	pointer of struct i2c_client.
- * @obj_name	pointer of ACPI object name.
- * @count	maximum size of return array.
- * @vals	pointer of array for return elements.
+ * @dev:	pointer of struct device.
+ * @obj_name:	pointer of ACPI object name.
+ * @values:	pointer of array for return elements.
+ * @count:	maximum size of return array.
  *
  * Convert ACPI CPM table to array.
  *