ace: multiprocessing: add polling for core powered up confirmation
ace: multiprocessing: add polling for core powered up confirmation

Poll for CPA bit by which HW confirms that the core has been powered up.

Signed-off-by: Rafal Redzimski <f66f867dbd8b5577c23781552a3f5577f8093dfe@intel.com>
Co-authored-by: Tomasz Leman <b95f6f4cb1ad956ce2cfa29368a30256aa48db3f@intel.com>
Co-authored-by: Andrey Borisovich <673826e6c8b8a4405bf4a15a22d24872215fdf86@intel.com>

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