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* driver: ist8310: add IST8310J device ID support and cross-axis compensation IST8310J shares the same register map and initialization sequence as IST8310. This change extends the existing IST8310 driver to: - Accept the IST8310J device ID during probe and reset - Load factory cross-axis calibration data from OTP - Apply cross-axis compensation to raw magnetometer samples The cross-axis compensation corrects factory axis misalignment only and does not replace PX4 runtime magnetometer calibration. Tested on Raspberry Pi using I2C with both IST8310 and IST8310J devices. Signed-off-by: webbyeh <webbyeh@isentek.com> * driver: ist8310: add IST8310J device ID support IST8310J shares the same register map and initialization sequence as IST8310. Factory cross-axis compensation support was evaluated but has been removed in this revision due to flash size constraints on embedded targets. The driver now focuses on device identification and stability, while relying on the existing PX4 magnetometer calibration framework. This commit also addresses review feedback by caching the WAI register value to avoid redundant I2C reads during the reset wait state. Tested on Raspberry Pi using I2C with both IST8310 and IST8310J devices. Signed-off-by: webbyeh <webbyeh@isentek.com> * Fix formatting issues in IST8310.cpp --------- Signed-off-by: webbyeh <webbyeh@isentek.com> Co-authored-by: Jacob Dahl <37091262+dakejahl@users.noreply.github.com>