powerpc/85xx: Renamed mpc85xx_common.c to common.c

The file name is already scoped by the directory its in.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index b6beec8..9cb2d43 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -3,7 +3,7 @@
 #
 obj-$(CONFIG_SMP) += smp.o
 
-obj-y += mpc85xx_common.o
+obj-y += common.o
 
 obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
 obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_common.c b/arch/powerpc/platforms/85xx/common.c
similarity index 100%
rename from arch/powerpc/platforms/85xx/mpc85xx_common.c
rename to arch/powerpc/platforms/85xx/common.c