Convert SMC911X Ethernet driver to CONFIG_NET_MULTI API

All in-tree boards that use this controller have CONFIG_NET_MULTI added
Also:
 - changed CONFIG_DRIVER_SMC911X* to CONFIG_SMC911X*
 - cleaned up line lengths
 - modified all boards that override weak function in this driver
 - added

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Tested-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/include/configs/bf548-ezkit.h b/include/configs/bf548-ezkit.h
index dbcd2af..5b9de16 100644
--- a/include/configs/bf548-ezkit.h
+++ b/include/configs/bf548-ezkit.h
@@ -69,9 +69,10 @@
  * Network Settings
  */
 #define ADI_CMDS_NETWORK	1
-#define CONFIG_DRIVER_SMC911X	1
-#define CONFIG_DRIVER_SMC911X_BASE	0x24000000
-#define CONFIG_DRIVER_SMC911X_16_BIT
+#define CONFIG_NET_MULTI
+#define CONFIG_SMC911X	1
+#define CONFIG_SMC911X_BASE	0x24000000
+#define CONFIG_SMC911X_16_BIT
 #define CONFIG_HOSTNAME		bf548-ezkit
 /* Uncomment next line to use fixed MAC address */
 /* #define CONFIG_ETHADDR	02:80:ad:20:31:e8 */