Move constants to the right of binary operators.

Generated by: scripts/coccinelle/misc/compare_const_fl.cocci

type=cleanup
Signed-off-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NJulia Lawall <julia.lawall@lip6.fr>
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>