ACPI: simplify processor lines in Makefile

Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/Makefile

@@ -58,8 +58,7 @@ obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o
 obj-$(CONFIG_ACPI_SBS)		+= sbshc.o
 obj-$(CONFIG_ACPI_SBS)		+= sbs.o
 
-processor-objs	+= processor_core.o processor_throttling.o \
-				processor_idle.o processor_thermal.o
-ifdef CONFIG_CPU_FREQ
-processor-objs	+= processor_perflib.o
-endif
+# processor has its own "processor." module_param namespace
+processor-y			:= processor_core.o processor_throttling.o
+processor-y			+= processor_idle.o processor_thermal.o
+processor-$(CONFIG_CPU_FREQ)	+= processor_perflib.o