PM: Use true/false as power.needs_force_resume values

Since power.needs_force_resume is a bool field, use true/false
as its values instead of 1/0, respectively.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://patch.msgid.link/2254988.irdbgypaU6@rjwysocki.net