net: fman: Store initialization function in match data

Instead of re-matching the compatible string in order to determine the init
function, just store it in the match data. The separate setup functions
aren't needed anymore. Merge their content into init as well. To ensure
everything compiles correctly, we move them to the bottom of the file.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Acked-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/freescale/fman/mac.h

@@ -35,7 +35,6 @@ struct mac_device {
 	bool promisc;
 	bool allmulti;
 
-	int (*init)(struct mac_device *mac_dev, struct device_node *mac_node);
 	int (*enable)(struct fman_mac *mac_dev);
 	int (*disable)(struct fman_mac *mac_dev);
 	void (*adjust_link)(struct mac_device *mac_dev);