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/board/freescale/mpc7448hpc2/mpc7448hpc2.c b/board/freescale/mpc7448hpc2/mpc7448hpc2.c
index 6f74c31..cfdbed5 100644
--- a/board/freescale/mpc7448hpc2/mpc7448hpc2.c
+++ b/board/freescale/mpc7448hpc2/mpc7448hpc2.c
@@ -32,6 +32,7 @@
 #include <common.h>
 #include <74xx_7xx.h>
 #include <fdt_support.h>
+#include <netdev.h>
 
 #undef	DEBUG
 
@@ -92,3 +93,12 @@
 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 }
 #endif
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#if defined(CONFIG_TSI108_ETH)
+	rc = tsi108_eth_initialize(bis);
+#endif
+	return rc;
+}