cpufreq: interactive: Do not align sample windows by default

Disable sample window alignment by default to match default behavior
of upstream interactive governor.

Change-Id: Ibbf4bdd4dd423f97d3a9dd5442eba78b378e66e2
Signed-off-by: Junjie Wu <junjiew@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>