cpufreq: ia64: move cpufreq driver to drivers/cpufreq

This patch moves cpufreq driver of IA64 architecture to drivers/cpufreq.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/cpufreq/Makefile

diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index 2d6dbf3..ab68133 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -81,3 +81,4 @@
 obj-$(CONFIG_BLACKFIN)			+= blackfin-cpufreq.o
 obj-$(CONFIG_CRIS_MACH_ARTPEC3)		+= cris-artpec3-cpufreq.o
 obj-$(CONFIG_ETRAXFS)			+= cris-etraxfs-cpufreq.o
+obj-$(CONFIG_IA64_ACPI_CPUFREQ)		+= ia64-acpi-cpufreq.o