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>

board/cm-bf548/cm-bf548.c

@@ -9,6 +9,7 @@
 #include <common.h>
 #include <config.h>
 #include <command.h>
+#include <netdev.h>
 #include <asm/blackfin.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -77,3 +78,12 @@ int board_early_init_f(void)
 
 	return 0;
 }
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_SMC911X
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+	return rc;
+}