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/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c
index d5d3d33..2af31cb 100644
--- a/cpu/mcf52x2/cpu.c
+++ b/cpu/mcf52x2/cpu.c
@@ -321,3 +321,18 @@
 	return 0;
 };
 #endif
+
+#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
+