queue: k_queue_cancel_wait: Fix not interrupting other threads

When k_poll is being used k_queue_cancel_wait shall mark the state as
K_POLL_STATE_NOT_READY so other threads will get properly notified with
a NULL pointer return.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
1 file changed