update to commit dafcf4ed ("iio: hrtimer: Allow
sub Hz granularity").

c1d82dbc ("docs: iio: fix example formatting").

Remove some useless spaces.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/1c0ae3e0932d813d41de666c1c65379786e79ba6.1658983157.git.siyanteng@loongson.cnSigned-off-by: Jonathan Corbet <corbet@lwn.net>