can-calc-bit-timing: move struct definitions

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

can-calc-bit-timing.c

@@ -118,6 +118,17 @@ struct calc_ref_clk {
 	const char *name;
 };
 
+/*
+ * minimal structs, just enough to be source level compatible
+ */
+struct can_priv {
+	struct can_clock clock;
+};
+
+struct net_device {
+	struct can_priv	priv;
+};
+
 struct calc_bittiming_const {
 	const struct can_bittiming_const bittiming_const;
 	const struct can_bittiming_const data_bittiming_const;
@@ -146,17 +157,6 @@ struct calc_data {
 	bool quiet;
 };
 
-/*
- * minimal structs, just enough to be source level compatible
- */
-struct can_priv {
-	struct can_clock clock;
-};
-
-struct net_device {
-	struct can_priv	priv;
-};
-
 static inline void *netdev_priv(const struct net_device *dev)
 {
 	return (void *)&dev->priv;