rtos: Add support for Zephyr RTOS
rtos: Add support for Zephyr RTOS
rtos: Add support for Zephyr RTOS
rtos: Add support for Zephyr RTOS
rtos: Add support for Zephyr RTOS
rtos: Add support for Zephyr RTOS
rtos: Add support for Zephyr RTOS
target/arc: refactor ARC register numbers defines