cpuidle: Fix white space to follow CodingStyle

Fix white space in the cpuidle code to follow the rules described in
CodingStyle.

No changes in behavior should result from this.

[rjw: Changelog]
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
1 file changed