[ARM] pxa: rename cpu-pxa.c to cpufreq-pxa2xx.c

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 3d2dea4..7ab8a2e 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -6,7 +6,11 @@
 obj-y				+= clock.o devices.o generic.o irq.o dma.o \
 				   time.o gpio.o reset.o
 obj-$(CONFIG_PM)		+= pm.o sleep.o standby.o
-obj-$(CONFIG_CPU_FREQ)		+= cpu-pxa.o
+
+ifeq ($(CONFIG_CPU_FREQ),y)
+obj-$(CONFIG_PXA25x)		+= cpufreq-pxa2xx.o
+obj-$(CONFIG_PXA27x)		+= cpufreq-pxa2xx.o
+endif
 
 # Generic drivers that other drivers may depend upon
 obj-$(CONFIG_PXA_SSP)		+= ssp.o