Convert CS8900 Ethernet driver to CONFIG_NET_MULTI API

All in-tree boards that use this controller have CONFIG_NET_MULTI added
Also:
  - changed CONFIG_DRIVER_CS8900 to CONFIG_CS8900
  - changed CS8900_BASE to CONFIG_CS8900_BASE
  - changed CS8900_BUS?? to CONFIG_CS8900_BUS??
  - cleaned up line lengths
  - modified VCMA9 command function that accesses the device
  - removed MAC address initialization from lib_arm/board.c

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Tested-by: Wolfgang Denk <wd@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/sbc2410x.h b/include/configs/sbc2410x.h
index f3dc7fe..f2ea926 100644
--- a/include/configs/sbc2410x.h
+++ b/include/configs/sbc2410x.h
@@ -63,9 +63,10 @@
 /*
  * Hardware drivers
  */
-#define CONFIG_DRIVER_CS8900	1	/* we have a CS8900 on-board */
-#define CS8900_BASE		0x19000300
-#define CS8900_BUS16		1 /* the Linux driver does accesses as shorts */
+#define CONFIG_NET_MULTI
+#define CONFIG_CS8900		/* we have a CS8900 on-board */
+#define CONFIG_CS8900_BASE	0x19000300
+#define CONFIG_CS8900_BUS16	/* the Linux driver does accesses as shorts */
 
 /*
  * select serial console configuration