When configfs is integrated the same values will have to be used
as defaults. Use symbolic names in order not to duplicate magic numbers.
Tested-by: NSebastian Reimers <sebastian.reimers@googlemail.com>
Signed-off-by: NAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>