Moved initialization of IncaIP Ethernet controller to board_eth_init

Affected boards:
	IncaIP

Removed initialization of the driver from net/eth.c

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/drivers/net/inca-ip_sw.c b/drivers/net/inca-ip_sw.c
index d852a15..492f5ce 100644
--- a/drivers/net/inca-ip_sw.c
+++ b/drivers/net/inca-ip_sw.c
@@ -28,6 +28,7 @@
 
 #include <malloc.h>
 #include <net.h>
+#include <netdev.h>
 #include <asm/inca-ip.h>
 #include <asm/addrspace.h>
 
@@ -199,7 +200,7 @@
 	printf("Leaving inca_switch_initialize()\n");
 #endif
 
-	return 1;
+	return 0;
 }