cpufreq: mips: move cpufreq driver to drivers/cpufreq

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

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --cc arch/mips/Kconfig
Simple merge

diff --cc arch/mips/kernel/Makefile
Simple merge

diff --cc arch/mips/kernel/cpufreq/Kconfig
Simple merge

diff --cc arch/mips/kernel/cpufreq/Makefile
Simple merge

diff --cc drivers/cpufreq/Kconfig
Simple merge

diff --cc drivers/cpufreq/Makefile
Simple merge

diff --cc drivers/cpufreq/loongson2_cpufreq.c
Simple merge