iio: light: tsl2563: Use i2c_smbus_write_word_data() in tsl2563_configure()

Driver already uses the word accessors when it makes sense, but
in the tsl2563_configure(). Switch the latter to use word accessor.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Ferry Toth <ftoth@exalondelft.nl>
Link: https://lore.kernel.org/r/20221207190348.9347-2-andriy.shevchenko@linux.intel.com


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