Moved initialization of TSI108 Ethernet controller to board_eth_init()

Affected boards:
	mpc7448hpc2

Removed initialization of the driver from net/eth.c

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c
index 2534097..50fa765 100644
--- a/drivers/net/tsi108_eth.c
+++ b/drivers/net/tsi108_eth.c
@@ -34,6 +34,7 @@
 #include <common.h>
 #include <malloc.h>
 #include <net.h>
+#include <netdev.h>
 #include <asm/cache.h>
 
 #ifdef DEBUG