iio: accel: bma400: Fix the scale min and max macro values

Changing the scale macro values to match the bma400 sensitivity
for 1 LSB of all the available ranges.

Fixes: 465c811f ("iio: accel: Add driver for the BMA400")
Signed-off-by: Jagath Jog J <jagathjog1996@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220505133021.22362-2-jagathjog1996@gmail.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>