iio: bmi323: fix reversed if statement in bmi323_core_runtime_resume()

This reversed if statement means that the function just returns success
without writing to the registers.

Fixes: 16531118 ("iio: bmi323: peripheral in lowest power state on suspend")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/689a2122-6e2f-4b0c-9a1c-39a98621c6c1@stanley.mountain


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>