drivers: dai: add DAI_TRIGGER_COPY cmd
drivers: dai: add DAI_TRIGGER_COPY cmd

This trigger prepares for data copying.

Signed-off-by: Adrian Bonislawski <c1526623796a63932b288786ffa521d7fcf07c3a@intel.com>

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