Move the structure s3c_cpufreq_config from cpu-freq.h to the
less advertised cpu-freq-core.h as it is not needed by anything
outside the core drivers.
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Update arch/arm/plat-s3c/include/plat/cpu-freq.h to include kerneldoc
style documentation.
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

This is the header file that defines the basic cpu frequency
scalling support for the Samsung S3C series of SoC.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>