[POWERPC] 85xx: Renamed mpc8544_ds.c to mpc85xx_ds.c

Renamed the mpc8544_ds.c board code to mpc85xx_ds.c to make it more
generic in prep for other boards based on the same platform.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index f620171..b8476b2 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -29,13 +29,13 @@
 	help
 	  This option enables support for the MPC85xx MDS board
 
-config MPC8544_DS
-	bool "Freescale MPC8544 DS"
+config MPC85xx_DS
+	bool "Freescale MPC85xx DS"
 	select PPC_I8259
 	select DEFAULT_UIMAGE
 	select FSL_ULI1575
 	help
-	  This option enables support for the MPC8544 DS board
+	  This option enables support for the MPC85xx DS (MPC8544 DS) board
 
 endchoice
 
@@ -58,4 +58,4 @@
 	select FSL_PCI if PCI
 	select SERIAL_8250_SHARE_IRQ if SERIAL_8250
 	default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS \
-		|| MPC85xx_MDS || MPC8544_DS
+		|| MPC85xx_MDS || MPC85xx_DS