driver: eth_mcux: gptp: enable pps output
driver: eth_mcux: gptp: enable pps output

Enable pps output for gptp accuracy measurements.

Signed-off-by: Hake Huang <141c0384c6b2febca367ae94dc4dc40a33a7ba79@oss.nxp.com>
Signed-off-by: Xabier Marquiegui <dbea95d49f9624e3bb4209dcacd8aa8b65ad3472@ainguraiiot.com>

zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr