staging:iio:light:isl29018: Fix the "Init of isl29018 fails" failure.

The I2C clientdata is set to indio_dev instead of chip as of a couple weeks ago.
Correct the calls to i2c_get_clientdata() accordingly.
Otherwise the driver fails to initialize.

Signed-off-by: Bryan Freed <bfreed@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1 file changed