+ "cpufreq: match CM10.1, add pm_lock_idx, cleanup, more debug" | thx @ffolkes

changed "if (cpufreq_pm_lock_idx == 0) {" to "if (cpufreq_pm_lock_idx != exynos_info->pm_lock_idx) {" <- need testing ...
+ "cpufreq: add exynos_cpufreq_get_level()"
+ "cpufreq: add exynos_cpufreq_get_minfreq()"
+ "cpufreq: forgotten cpufreq.h needed by last few commits"

- https://github.com/ffolkes/android_kernel_samsung_smdk4412/commit/28e25a63d0cae7085e6f47ec7f2995299a84e18c
- https://github.com/ffolkes/android_kernel_samsung_smdk4412/commit/b68c3a7c0efc1d28f9e3a6955dd4ade922012e21
- https://github.com/ffolkes/android_kernel_samsung_smdk4412/commit/3db61a74d7bafb71e6351e1b227a6478018a8a2a

thx @ffolkes