iio: magnetometer: yamaha-yas530: Use pointers as driver data

Unify ID tables to use pointers for driver data. It will allow
to simplify the driver later on.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220831141530.80572-1-andriy.shevchenko@linux.intel.com


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