iio: adis: stylistic changes

[ Upstream commit c39010ea ]

Minor stylistic changes to address checkptach complains when called with
'--strict'.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220122130905.99-3-nuno.sa@analog.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Stable-dep-of: 99c05e42 ("iio: adis: add '__adis_enable_irq()' implementation")
Signed-off-by: Sasha Levin <sashal@kernel.org>