cpufreq: interactive: enable use_sched_load early

Set use_sched_load tunable early in store so that we pass
the correct 64-bit jiffy to scheduler.

Change-Id: I46ed73441c9d242f15e5759360d0cea4a9dd23d0
Signed-off-by: Hanumath Prasad <hpprasad@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>