accel/habanalabs: disable events ioctls on control device

Because it is not used and also, for graceful reset to work
those ioctls should run on the compute device.

Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>