iio: accel: kxcjk1013: make sampling_frequency_avail per-type

Make sampling_frequency_avail per-type - like sampling_frequency is.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
1 file changed