arm cpufreq Kconfig enhancements:
- don't force the deprecated 24_API on SA11x0 any more, as it will be removed
  ~2005-01-01 and different interfaces have been available for a long time
- don't mark CPU_FREQ as being EXPERIMENTAL any longer
- re-order it in the same way other arches are ordered
Signed-off-by: Dominik Brodowski <linux@brodo.de>
Signed-off-by: Dave Jones <davej@redhat.com>