cpufreq: interactive: Move definition of cpufreq_gov_interactive downwards

This moves definition of cpufreq_gov_interactive towards the bottom of
file, so
that we don't have to add prototype of
cpufreq_governor_interactive() in the
beginning of file.

Change-Id:
I04bd1004954eb36502c5cd7e35d3d7274cddaf95
Signed-off-by: Viresh Kumar
<viresh.kumar@linaro.org>
Git-commit: e50d640
Git-Repo:
https://android.googlesource.com/kernel/common.git
[junjiew@codeaurora.org:
Resolve merge conflicts]
Signed-off-by: Junjie Wu
<junjiew@codeaurora.org>
Signed-off-by: franciscofranco
<franciscofranco.1990@gmail.com>

idea is taken here -
https://github.com/franciscofranco/mako/commit/f15c4a07ae87370df6901a27f5bd3bb51d1d91ce