iio: accel: bma400: Reordering of header files

iio: accel: bma400: Reordering of header files

[ Upstream commit 1bd2dc6ea863690aee5c45ebf09c9194c7a42c0d ]

Reordering of header files and removing the iio/sysfs.h since
custom attributes are not being used in the driver.

Signed-off-by: Jagath Jog J <jagathjog1996@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220505133021.22362-3-jagathjog1996@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>