[CPUFREQ] Move x86 drivers to drivers/cpufreq/

Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cc6c53a..e7f94a5 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1848,7 +1848,7 @@
 
 endif # APM
 
-source "arch/x86/kernel/cpu/cpufreq/Kconfig"
+source "drivers/cpufreq/Kconfig"
 
 source "drivers/cpuidle/Kconfig"