sbc8548: don't enable the 3rd and 4th eTSEC

These interfaces don't have usable connectors on the board, so don't
bother enumerating or configuring them.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/include/configs/sbc8548.h b/include/configs/sbc8548.h
index 528c810..254d91f 100644
--- a/include/configs/sbc8548.h
+++ b/include/configs/sbc8548.h
@@ -399,25 +399,16 @@
 #define CONFIG_TSEC1_NAME	"eTSEC0"
 #define CONFIG_TSEC2	1
 #define CONFIG_TSEC2_NAME	"eTSEC1"
-#define CONFIG_TSEC3	1
-#define CONFIG_TSEC3_NAME	"eTSEC2"
-#define CONFIG_TSEC4
-#define CONFIG_TSEC4_NAME	"eTSEC3"
 #undef CONFIG_MPC85XX_FEC
 
 #define TSEC1_PHY_ADDR		0
 #define TSEC2_PHY_ADDR		1
-#define TSEC3_PHY_ADDR		2
-#define TSEC4_PHY_ADDR		3
 
 #define TSEC1_PHYIDX		0
 #define TSEC2_PHYIDX		0
-#define TSEC3_PHYIDX		0
-#define TSEC4_PHYIDX		0
+
 #define TSEC1_FLAGS		TSEC_GIGABIT
 #define TSEC2_FLAGS		TSEC_GIGABIT
-#define TSEC3_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
-#define TSEC4_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
 
 /* Options are: eTSEC[0-3] */
 #define CONFIG_ETHPRIME		"eTSEC0"
@@ -507,10 +498,6 @@
 #define CONFIG_ETHADDR	 02:E0:0C:00:00:FD
 #define CONFIG_HAS_ETH1
 #define CONFIG_ETH1ADDR	 02:E0:0C:00:01:FD
-#define CONFIG_HAS_ETH2
-#define CONFIG_ETH2ADDR	 02:E0:0C:00:02:FD
-#define CONFIG_HAS_ETH3
-#define CONFIG_ETH3ADDR	 02:E0:0C:00:03:FD
 #endif
 
 #define CONFIG_IPADDR	 192.168.0.55