Add Sandburst Metrobox and Sandburst Karef board support packages.
Second serial port on 440GX now defined as a system device.
Add 'Short Etch' code for Cicada PHY within 440gx_enet.c
Patch by Travis B. Sawyer, 12 Jul 2005

Check return value of malloc in 440gx_enet.c
Patch by Travis B. Sawyer, 18 Jul 2005
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index 09c4f64..dab268e 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -828,7 +828,7 @@
 	/* handle the 3rd ethernet address */
 
 	s = getenv ("eth2addr");
-#if defined(CONFIG_XPEDITE1K)
+#if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
 	if (s == NULL)
 		board_get_enetaddr(bd->bi_enet2addr);
 	else
@@ -843,7 +843,7 @@
 #ifdef CONFIG_HAS_ETH3
 	/* handle 4th ethernet address */
 	s = getenv("eth3addr");
-#if defined(CONFIG_XPEDITE1K)
+#if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
 	if (s == NULL)
 		board_get_enetaddr(bd->bi_enet3addr);
 	else