sbc8349: enable libfdt by default on WRS SBC8349 board.

Make libfdt the default for the WRS SBC8349 board.
Parallel of commit 35cc4e48
done for the other 83xx based boards.  Also fix a typo in CONFIG_PCI.
Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>

include/configs/sbc8349.h

@@ -310,7 +310,7 @@
 #endif
 
 /* pass open firmware flat tree */
-#define CONFIG_OF_FLAT_TREE	1
+#define CONFIG_OF_LIBFDT	1
 #define CONFIG_OF_BOARD_SETUP	1
 
 #define OF_CPU			"PowerPC,8349@0"
@@ -458,7 +458,7 @@
 #define CONFIG_CMD_PING
 
 #if defined(CONFIG_PCI)
-    #define CONFG_CMD_PCI
+    #define CONFIG_CMD_PCI
 #endif
 
 #if defined(CFG_RAMBOOT)