Moved initialization of MCFFEC Ethernet driver to CPU directory

Added a cpu_eth_init() function to coldfire CPU directories and
removed code from net/eth.c

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/cpu/mcf5445x/cpu.c b/cpu/mcf5445x/cpu.c
index e601b89..ab342dd 100644
--- a/cpu/mcf5445x/cpu.c
+++ b/cpu/mcf5445x/cpu.c
@@ -95,3 +95,17 @@
 
 	return 0;
 }
+
+#if defined(CONFIG_MCFFEC)
+/* Default initializations for MCFFEC controllers.  To override,
+ * create a board-specific function called:
+ * 	int board_eth_init(bd_t *bis)
+ */
+
+extern int mcffec_initialize(bd_t*);
+
+int cpu_eth_init(bd_t *bis)
+{
+	return mcffec_initialize(bis);
+}
+#endif