staging: iio: isl29028: fix alignment of function arguments

Two separate calls to regmap_update_bits() in isl29028_set_als_scale()
and isl29028_set_als_ir_mode() did not have their function arguments
on the next line aligned correctly to the open parenthesis. This patch
corrects the alignment.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>