don't export clk_measure_input_freq as its functionality is also available
using clk_get_rate().
Signed-off-by: NPeter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: NStephen Warren <swarren@nvidia.com>
Acked-by: NColin Cross <ccross@android.com>
Signed-off-by: NOlof Johansson <olof@lixom.net>