mpc83xx: match dtb filename references to their dts equivalents in the linux kernel

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/include/configs/MPC8349EMDS.h b/include/configs/MPC8349EMDS.h
index 1d736f3..9b2d25a 100644
--- a/include/configs/MPC8349EMDS.h
+++ b/include/configs/MPC8349EMDS.h
@@ -732,7 +732,7 @@
 		"era fe000000 fe03ffff; cp.b 100000 fe000000 ${filesize}\0"	\
 	"upd=run load update\0"						\
 	"fdtaddr=780000\0"						\
-	"fdtfile=mpc8349emds.dtb\0"					\
+	"fdtfile=mpc834x_mds.dtb\0"					\
 	""
 
 #define CONFIG_NFSBOOTCOMMAND	                                        \