gpio-max7301: bcm2708_gpio only supports 8 bits_per_word

Signed-off-by: Franz Pletz <fpletz@fnordicwalking.de>

drivers/gpio/gpio-max7301.c

@@ -57,7 +57,7 @@ static int max7301_probe(struct spi_device *spi)
 
 	/* bits_per_word cannot be configured in platform data */
 	if (spi->dev.platform_data)
-		spi->bits_per_word = 16;
+		spi->bits_per_word = 8;
 	ret = spi_setup(spi);
 	if (ret < 0)
 		return ret;