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/Makefile b/Makefile
index 135625f..832e552 100644
--- a/Makefile
+++ b/Makefile
@@ -794,6 +794,12 @@
 JSE_config:	unconfig
 	@./mkconfig $(@:_config=) ppc ppc4xx jse
 
+KAREF_config: unconfig
+	@./mkconfig $(@:_config=) ppc ppc4xx karef sandburst
+
+METROBOX_config: unconfig
+	@./mkconfig $(@:_config=) ppc ppc4xx metrobox sandburst
+
 MIP405_config:	unconfig
 	@./mkconfig $(@:_config=) ppc ppc4xx mip405 mpl