iio: magnetometer: yas530: Move printk %*ph parameters out from stack

iio: magnetometer: yas530: Move printk %*ph parameters out from stack

Use less stack by modifying %*ph parameters.

While at it, in the function yas530_get_calibration_data(), the debug dump was
extended to 16 elements as this is the size of the calibration data array of
YAS530.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jakob Hauser <jahau@rocketmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/93b50c20adb1b2acb4cddb1ab25755070edd7c07.1660337264.git.jahau@rocketmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>