Devices in the A000 family can use a different size for the command queue.
To allow this, make the command queue size configurable and set the size
for A000 devices to 32.
Signed-off-by: NShahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>