iio: Fix misspellings of "Analog Devices"

According to https://www.analog.com/, the company name is spelled
"Analog Devices".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/ad7791.c

@@ -492,5 +492,5 @@ static struct spi_driver ad7791_driver = {
 module_spi_driver(ad7791_driver);
 
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
-MODULE_DESCRIPTION("Analog Device AD7787/AD7788/AD7789/AD7790/AD7791 ADC driver");
+MODULE_DESCRIPTION("Analog Devices AD7787/AD7788/AD7789/AD7790/AD7791 ADC driver");
 MODULE_LICENSE("GPL v2");

drivers/iio/trigger/iio-trig-hrtimer.c

@@ -4,7 +4,7 @@
  *
  * Copyright (C) Intuitive Aerial AB
  * Written by Marten Svanfeldt, marten@intuitiveaerial.com
- * Copyright (C) 2012, Analog Device Inc.
+ * Copyright (C) 2012, Analog Devices Inc.
  *	Author: Lars-Peter Clausen <lars@metafoo.de>
  * Copyright (C) 2015, Intel Corporation
  */

drivers/staging/iio/Documentation/overview.txt

@@ -34,7 +34,7 @@ turned on or off (if possible) via sysfs interfaces.
 fifo / ring buffers on the sensor chip.  These greatly reduce the load
 on the host CPU by buffering relatively large numbers of data samples
 based on an internal sampling clock. Examples include VTI SCA3000
-series and Analog Device ADXL345 accelerometers.  Each buffer supports
+series and Analog Devices ADXL345 accelerometers.  Each buffer supports
 polling to establish when data is available.
 
 * Trigger and software buffer support. In many data analysis