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

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

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	                                        \

include/configs/MPC8360ERDK.h

@@ -530,7 +530,7 @@
    "consoledev=ttyS0\0"\
    "loadaddr=a00000\0"\
    "fdtaddr=900000\0"\
-   "fdtfile=dtb\0"\
+   "fdtfile=mpc836x_rdk.dtb\0"\
    "fsfile=fs\0"\
    "ubootfile=u-boot.bin\0"\
    "mtdparts=mtdparts=60000000.nand-flash:4096k(kernel),128k(dtb),-(rootfs)\0"\