These are never modified, so might as well be const.
Signed-off-by: NRasmus Villemoes <rasmus.villemoes@prevas.dk>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Acked-by: NEric Anholt <eric@anholt.net>
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>