extmod/zephyr_ble: Add FreeRTOS threading backend.#28

andrewleech wants to merge 4 commits intopr/zephyr-ble-l2capandrewleech/micropython:pr/zephyr-ble-l2capfrom

pr/zephyr-ble-freertosandrewleech/micropython:pr/zephyr-ble-freertosCopy head branch name to clipboard